2108563515

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{256049}}^1$

素因数の和:256124

約数の個数: 32

約数和(自身を含む): 3810024000

約数和(自身を除く): 1701460485

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2745, 8235, 256049, 768147, 1280245, 2304441, 3840735, 6913323, 11522205, 15618989, 34566615, 46856967, 78094945, 140570901, 234284835, 421712703, 702854505, 2108563515]

約数ペア:

[(1, 2108563515), (3, 702854505), (5, 421712703), (9, 234284835), (15, 140570901), (27, 78094945), (45, 46856967), (61, 34566615), (135, 15618989), (183, 11522205), (305, 6913323), (549, 3840735), (915, 2304441), (1647, 1280245), (2745, 768147), (8235, 256049)]