648642915

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{947}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 1164174336

約数和(自身を除く): 515531421

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 491, 947, 1395, 1473, 2455, 2841, 4419, 4735, 7365, 8523, 14205, 15221, 22095, 29357, 42615, 45663, 76105, 88071, 136989, 146785, 228315, 264213, 440355, 464977, 684945, 1321065, 1394931, 2324885, 4184793, 6974655, 14414287, 20923965, 43242861, 72071435, 129728583, 216214305, 648642915]

約数ペア:

[(1, 648642915), (3, 216214305), (5, 129728583), (9, 72071435), (15, 43242861), (31, 20923965), (45, 14414287), (93, 6974655), (155, 4184793), (279, 2324885), (465, 1394931), (491, 1321065), (947, 684945), (1395, 464977), (1473, 440355), (2455, 264213), (2841, 228315), (4419, 146785), (4735, 136989), (7365, 88071), (8523, 76105), (14205, 45663), (15221, 42615), (22095, 29357)]