81994671

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43591}}^1$

素因数の和:43627

約数の個数: 24

約数和(自身を含む): 136007040

約数和(自身を除く): 54012369

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 43591, 130773, 392319, 479501, 828229, 1438503, 2484687, 4315509, 7454061, 9110519, 27331557, 81994671]

約数ペア:

[(1, 81994671), (3, 27331557), (9, 9110519), (11, 7454061), (19, 4315509), (33, 2484687), (57, 1438503), (99, 828229), (171, 479501), (209, 392319), (627, 130773), (1881, 43591)]