201278421

素因数分解:

$3^2\times {\mathrm{349}}^1\times {\mathrm{64081}}^1$

素因数の和:64436

約数の個数: 12

約数和(自身を含む): 291573100

約数和(自身を除く): 90294679

約数列:

[1, 3, 9, 349, 1047, 3141, 64081, 192243, 576729, 22364269, 67092807, 201278421]

約数ペア:

[(1, 201278421), (3, 67092807), (9, 22364269), (349, 576729), (1047, 192243), (3141, 64081)]