31153887

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1019}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 46675200

約数和(自身を除く): 15521313

約数列:

[1, 3, 9, 43, 79, 129, 237, 387, 711, 1019, 3057, 3397, 9171, 10191, 30573, 43817, 80501, 131451, 241503, 394353, 724509, 3461543, 10384629, 31153887]

約数ペア:

[(1, 31153887), (3, 10384629), (9, 3461543), (43, 724509), (79, 394353), (129, 241503), (237, 131451), (387, 80501), (711, 43817), (1019, 30573), (3057, 10191), (3397, 9171)]