121357405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{263}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 163215360

約数和(自身を除く): 41857955

約数列:

[1, 5, 13, 31, 65, 155, 229, 263, 403, 1145, 1315, 2015, 2977, 3419, 7099, 8153, 14885, 17095, 35495, 40765, 60227, 92287, 105989, 301135, 461435, 529945, 782951, 1867037, 3914755, 9335185, 24271481, 121357405]

約数ペア:

[(1, 121357405), (5, 24271481), (13, 9335185), (31, 3914755), (65, 1867037), (155, 782951), (229, 529945), (263, 461435), (403, 301135), (1145, 105989), (1315, 92287), (2015, 60227), (2977, 40765), (3419, 35495), (7099, 17095), (8153, 14885)]