1256339925

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{2357}}^1$

素因数の和:2499

約数の個数: 72

約数和(自身を含む): 2371883904

約数和(自身を除く): 1115543979

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 103, 115, 207, 225, 309, 345, 515, 575, 927, 1035, 1545, 1725, 2357, 2369, 2575, 4635, 5175, 7071, 7107, 7725, 11785, 11845, 21213, 21321, 23175, 35355, 35535, 54211, 58925, 59225, 106065, 106605, 162633, 176775, 177675, 242771, 271055, 487899, 530325, 533025, 728313, 813165, 1213855, 1355275, 2184939, 2439495, 3641565, 4065825, 5583733, 6069275, 10924695, 12197475, 16751199, 18207825, 27918665, 50253597, 54623475, 83755995, 139593325, 251267985, 418779975, 1256339925]

約数ペア:

[(1, 1256339925), (3, 418779975), (5, 251267985), (9, 139593325), (15, 83755995), (23, 54623475), (25, 50253597), (45, 27918665), (69, 18207825), (75, 16751199), (103, 12197475), (115, 10924695), (207, 6069275), (225, 5583733), (309, 4065825), (345, 3641565), (515, 2439495), (575, 2184939), (927, 1355275), (1035, 1213855), (1545, 813165), (1725, 728313), (2357, 533025), (2369, 530325), (2575, 487899), (4635, 271055), (5175, 242771), (7071, 177675), (7107, 176775), (7725, 162633), (11785, 106605), (11845, 106065), (21213, 59225), (21321, 58925), (23175, 54211), (35355, 35535)]