56417985

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 128

約数和(自身を含む): 119992320

約数和(自身を除く): 63574335

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 31, 39, 45, 51, 61, 65, 85, 93, 117, 135, 153, 155, 183, 195, 221, 255, 279, 305, 351, 403, 459, 465, 527, 549, 585, 663, 765, 793, 837, 915, 1037, 1105, 1209, 1395, 1581, 1647, 1755, 1891, 1989, 2015, 2295, 2379, 2635, 2745, 3111, 3315, 3627, 3965, 4185, 4743, 5185, 5673, 5967, 6045, 6851, 7137, 7905, 8235, 9333, 9455, 9945, 10881, 11895, 13481, 14229, 15555, 17019, 18135, 20553, 21411, 23715, 24583, 27999, 28365, 29835, 32147, 34255, 35685, 40443, 46665, 51057, 54405, 61659, 67405, 71145, 73749, 85095, 96441, 102765, 107055, 121329, 122915, 139995, 160735, 184977, 202215, 221247, 255285, 289323, 308295, 363987, 368745, 417911, 482205, 606645, 663741, 867969, 924885, 1106235, 1253733, 1446615, 1819935, 2089555, 3318705, 3761199, 4339845, 6268665, 11283597, 18805995, 56417985]

約数ペア:

[(1, 56417985), (3, 18805995), (5, 11283597), (9, 6268665), (13, 4339845), (15, 3761199), (17, 3318705), (27, 2089555), (31, 1819935), (39, 1446615), (45, 1253733), (51, 1106235), (61, 924885), (65, 867969), (85, 663741), (93, 606645), (117, 482205), (135, 417911), (153, 368745), (155, 363987), (183, 308295), (195, 289323), (221, 255285), (255, 221247), (279, 202215), (305, 184977), (351, 160735), (403, 139995), (459, 122915), (465, 121329), (527, 107055), (549, 102765), (585, 96441), (663, 85095), (765, 73749), (793, 71145), (837, 67405), (915, 61659), (1037, 54405), (1105, 51057), (1209, 46665), (1395, 40443), (1581, 35685), (1647, 34255), (1755, 32147), (1891, 29835), (1989, 28365), (2015, 27999), (2295, 24583), (2379, 23715), (2635, 21411), (2745, 20553), (3111, 18135), (3315, 17019), (3627, 15555), (3965, 14229), (4185, 13481), (4743, 11895), (5185, 10881), (5673, 9945), (5967, 9455), (6045, 9333), (6851, 8235), (7137, 7905)]