31293885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{607}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 57434112

約数和(自身を除く): 26140227

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 491, 607, 1473, 1821, 2455, 3035, 3437, 4249, 7365, 9105, 10311, 12747, 17185, 21245, 51555, 63735, 298037, 894111, 1490185, 2086259, 4470555, 6258777, 10431295, 31293885]

約数ペア:

[(1, 31293885), (3, 10431295), (5, 6258777), (7, 4470555), (15, 2086259), (21, 1490185), (35, 894111), (105, 298037), (491, 63735), (607, 51555), (1473, 21245), (1821, 17185), (2455, 12747), (3035, 10311), (3437, 9105), (4249, 7365)]