261002643

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{991}}^1$

素因数の和:1375

約数の個数: 32

約数和(自身を含む): 397688832

約数和(自身を除く): 136686189

約数列:

[1, 3, 11, 23, 33, 69, 253, 347, 759, 991, 1041, 2973, 3817, 7981, 10901, 11451, 22793, 23943, 32703, 68379, 87791, 250723, 263373, 343877, 752169, 1031631, 3782647, 7909171, 11347941, 23727513, 87000881, 261002643]

約数ペア:

[(1, 261002643), (3, 87000881), (11, 23727513), (23, 11347941), (33, 7909171), (69, 3782647), (253, 1031631), (347, 752169), (759, 343877), (991, 263373), (1041, 250723), (2973, 87791), (3817, 68379), (7981, 32703), (10901, 23943), (11451, 22793)]