644906655

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1\times {\mathrm{887}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 1137037824

約数和(自身を除く): 492131169

約数列:

[1, 3, 5, 9, 15, 45, 107, 151, 321, 453, 535, 755, 887, 963, 1359, 1605, 2265, 2661, 4435, 4815, 6795, 7983, 13305, 16157, 39915, 48471, 80785, 94909, 133937, 145413, 242355, 284727, 401811, 474545, 669685, 727065, 854181, 1205433, 1423635, 2009055, 4270905, 6027165, 14331259, 42993777, 71656295, 128981331, 214968885, 644906655]

約数ペア:

[(1, 644906655), (3, 214968885), (5, 128981331), (9, 71656295), (15, 42993777), (45, 14331259), (107, 6027165), (151, 4270905), (321, 2009055), (453, 1423635), (535, 1205433), (755, 854181), (887, 727065), (963, 669685), (1359, 474545), (1605, 401811), (2265, 284727), (2661, 242355), (4435, 145413), (4815, 133937), (6795, 94909), (7983, 80785), (13305, 48471), (16157, 39915)]