263428311

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 380099520

約数和(自身を除く): 116671209

約数列:

[1, 3, 17, 51, 73, 173, 219, 409, 519, 1227, 1241, 2941, 3723, 6953, 8823, 12629, 20859, 29857, 37887, 70757, 89571, 212271, 214693, 507569, 644079, 1202869, 1522707, 3608607, 5165261, 15495783, 87809437, 263428311]

約数ペア:

[(1, 263428311), (3, 87809437), (17, 15495783), (51, 5165261), (73, 3608607), (173, 1522707), (219, 1202869), (409, 644079), (519, 507569), (1227, 214693), (1241, 212271), (2941, 89571), (3723, 70757), (6953, 37887), (8823, 29857), (12629, 20859)]