121123405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{81019}}^1$

素因数の和:81060

約数の個数: 16

約数和(自身を含む): 163336320

約数和(自身を除く): 42212915

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 81019, 405095, 1053247, 1863437, 5266235, 9317185, 24224681, 121123405]

約数ペア:

[(1, 121123405), (5, 24224681), (13, 9317185), (23, 5266235), (65, 1863437), (115, 1053247), (299, 405095), (1495, 81019)]