1291235715

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4007}}^1$

素因数の和:4070

約数の個数: 128

約数和(自身を含む): 2955018240

約数和(自身を除く): 1663782525

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 31, 33, 35, 45, 55, 63, 77, 93, 99, 105, 135, 155, 165, 189, 217, 231, 279, 297, 315, 341, 385, 465, 495, 651, 693, 837, 945, 1023, 1085, 1155, 1395, 1485, 1705, 1953, 2079, 2387, 3069, 3255, 3465, 4007, 4185, 5115, 5859, 7161, 9207, 9765, 10395, 11935, 12021, 15345, 20035, 21483, 28049, 29295, 35805, 36063, 44077, 46035, 60105, 64449, 84147, 107415, 108189, 124217, 132231, 140245, 180315, 220385, 252441, 308539, 322245, 372651, 396693, 420735, 540945, 621085, 661155, 757323, 869519, 925617, 1117953, 1190079, 1262205, 1366387, 1542695, 1863255, 1983465, 2608557, 2776851, 3353859, 3786615, 4099161, 4347595, 4628085, 5589765, 5950395, 6831935, 7825671, 8330553, 9564709, 12297483, 13042785, 13884255, 16769295, 20495805, 23477013, 28694127, 36892449, 39128355, 41652765, 47823545, 61487415, 86082381, 117385065, 143470635, 184462245, 258247143, 430411905, 1291235715]

約数ペア:

[(1, 1291235715), (3, 430411905), (5, 258247143), (7, 184462245), (9, 143470635), (11, 117385065), (15, 86082381), (21, 61487415), (27, 47823545), (31, 41652765), (33, 39128355), (35, 36892449), (45, 28694127), (55, 23477013), (63, 20495805), (77, 16769295), (93, 13884255), (99, 13042785), (105, 12297483), (135, 9564709), (155, 8330553), (165, 7825671), (189, 6831935), (217, 5950395), (231, 5589765), (279, 4628085), (297, 4347595), (315, 4099161), (341, 3786615), (385, 3353859), (465, 2776851), (495, 2608557), (651, 1983465), (693, 1863255), (837, 1542695), (945, 1366387), (1023, 1262205), (1085, 1190079), (1155, 1117953), (1395, 925617), (1485, 869519), (1705, 757323), (1953, 661155), (2079, 621085), (2387, 540945), (3069, 420735), (3255, 396693), (3465, 372651), (4007, 322245), (4185, 308539), (5115, 252441), (5859, 220385), (7161, 180315), (9207, 140245), (9765, 132231), (10395, 124217), (11935, 108189), (12021, 107415), (15345, 84147), (20035, 64449), (21483, 60105), (28049, 46035), (29295, 44077), (35805, 36063)]