121225775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{440821}}^1$

素因数の和:440842

約数の個数: 12

約数和(自身を含む): 163985784

約数和(自身を除く): 42760009

約数列:

[1, 5, 11, 25, 55, 275, 440821, 2204105, 4849031, 11020525, 24245155, 121225775]

約数ペア:

[(1, 121225775), (5, 24245155), (11, 11020525), (25, 4849031), (55, 2204105), (275, 440821)]