87820641

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{2131}}^1$

素因数の和:2397

約数の個数: 24

約数和(自身を含む): 134145440

約数和(自身を除く): 46324799

約数列:

[1, 3, 9, 19, 57, 171, 241, 723, 2131, 2169, 4579, 6393, 13737, 19179, 40489, 41211, 121467, 364401, 513571, 1540713, 4622139, 9757849, 29273547, 87820641]

約数ペア:

[(1, 87820641), (3, 29273547), (9, 9757849), (19, 4622139), (57, 1540713), (171, 513571), (241, 364401), (723, 121467), (2131, 41211), (2169, 40489), (4579, 19179), (6393, 13737)]