261744219

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{881}}^1\times {\mathrm{3001}}^1$

素因数の和:3899

約数の個数: 24

約数和(自身を含む): 413051184

約数和(自身を除く): 151306965

約数列:

[1, 3, 9, 11, 33, 99, 881, 2643, 3001, 7929, 9003, 9691, 27009, 29073, 33011, 87219, 99033, 297099, 2643881, 7931643, 23794929, 29082691, 87248073, 261744219]

約数ペア:

[(1, 261744219), (3, 87248073), (9, 29082691), (11, 23794929), (33, 7931643), (99, 2643881), (881, 297099), (2643, 99033), (3001, 87219), (7929, 33011), (9003, 29073), (9691, 27009)]