290528109

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{401}}^1\times {\mathrm{1019}}^1$

素因数の和:1505

約数の個数: 24

約数和(自身を含む): 426441600

約数和(自身を除く): 135913491

約数列:

[1, 3, 9, 79, 237, 401, 711, 1019, 1203, 3057, 3609, 9171, 31679, 80501, 95037, 241503, 285111, 408619, 724509, 1225857, 3677571, 32280901, 96842703, 290528109]

約数ペア:

[(1, 290528109), (3, 96842703), (9, 32280901), (79, 3677571), (237, 1225857), (401, 724509), (711, 408619), (1019, 285111), (1203, 241503), (3057, 95037), (3609, 80501), (9171, 31679)]