15697817775

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:418

約数の個数: 144

約数和(自身を含む): 29467488960

約数和(自身を除く): 13769671185

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 71, 75, 89, 181, 183, 213, 225, 267, 305, 355, 445, 543, 549, 639, 801, 905, 915, 1065, 1335, 1525, 1629, 1775, 2225, 2715, 2745, 3195, 4005, 4331, 4525, 4575, 5325, 5429, 6319, 6675, 8145, 11041, 12851, 12993, 13575, 13725, 15975, 16109, 16287, 18957, 20025, 21655, 27145, 31595, 33123, 38553, 38979, 40725, 48327, 48861, 55205, 56871, 64255, 64965, 80545, 81435, 94785, 99369, 108275, 115659, 135725, 144981, 157975, 165615, 192765, 194895, 241635, 244305, 276025, 284355, 321275, 324825, 385459, 402725, 407175, 473925, 496845, 578295, 724905, 783911, 828075, 963825, 974475, 982649, 1143739, 1156377, 1208175, 1221525, 1421775, 1927295, 2351733, 2484225, 2891475, 2947947, 3431217, 3469131, 3624525, 3919555, 4913245, 5718695, 5781885, 7055199, 8843841, 9636475, 10293651, 11758665, 14739735, 17156085, 17345655, 19597775, 24566225, 28593475, 28909425, 35275995, 44219205, 51468255, 58793325, 69768079, 73698675, 85780425, 86728275, 176379975, 209304237, 221096025, 257341275, 348840395, 627912711, 1046521185, 1744201975, 3139563555, 5232605925, 15697817775]

約数ペア:

[(1, 15697817775), (3, 5232605925), (5, 3139563555), (9, 1744201975), (15, 1046521185), (25, 627912711), (45, 348840395), (61, 257341275), (71, 221096025), (75, 209304237), (89, 176379975), (181, 86728275), (183, 85780425), (213, 73698675), (225, 69768079), (267, 58793325), (305, 51468255), (355, 44219205), (445, 35275995), (543, 28909425), (549, 28593475), (639, 24566225), (801, 19597775), (905, 17345655), (915, 17156085), (1065, 14739735), (1335, 11758665), (1525, 10293651), (1629, 9636475), (1775, 8843841), (2225, 7055199), (2715, 5781885), (2745, 5718695), (3195, 4913245), (4005, 3919555), (4331, 3624525), (4525, 3469131), (4575, 3431217), (5325, 2947947), (5429, 2891475), (6319, 2484225), (6675, 2351733), (8145, 1927295), (11041, 1421775), (12851, 1221525), (12993, 1208175), (13575, 1156377), (13725, 1143739), (15975, 982649), (16109, 974475), (16287, 963825), (18957, 828075), (20025, 783911), (21655, 724905), (27145, 578295), (31595, 496845), (33123, 473925), (38553, 407175), (38979, 402725), (40725, 385459), (48327, 324825), (48861, 321275), (55205, 284355), (56871, 276025), (64255, 244305), (64965, 241635), (80545, 194895), (81435, 192765), (94785, 165615), (99369, 157975), (108275, 144981), (115659, 135725)]