66645585

素因数分解:

$3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2083}}^1$

素因数の和:2179

約数の個数: 40

約数和(自身を含む): 121038720

約数和(自身を除く): 54393135

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 395, 405, 711, 1185, 2083, 2133, 3555, 6249, 6399, 10415, 10665, 18747, 31245, 31995, 56241, 93735, 164557, 168723, 281205, 493671, 822785, 843615, 1481013, 2468355, 4443039, 7405065, 13329117, 22215195, 66645585]

約数ペア:

[(1, 66645585), (3, 22215195), (5, 13329117), (9, 7405065), (15, 4443039), (27, 2468355), (45, 1481013), (79, 843615), (81, 822785), (135, 493671), (237, 281205), (395, 168723), (405, 164557), (711, 93735), (1185, 56241), (2083, 31995), (2133, 31245), (3555, 18747), (6249, 10665), (6399, 10415)]