31253313

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{479}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 51609600

約数和(自身を除く): 20356287

約数列:

[1, 3, 7, 13, 21, 39, 91, 239, 273, 479, 717, 1437, 1673, 3107, 3353, 5019, 6227, 9321, 10059, 18681, 21749, 43589, 65247, 114481, 130767, 343443, 801367, 1488253, 2404101, 4464759, 10417771, 31253313]

約数ペア:

[(1, 31253313), (3, 10417771), (7, 4464759), (13, 2404101), (21, 1488253), (39, 801367), (91, 343443), (239, 130767), (273, 114481), (479, 65247), (717, 43589), (1437, 21749), (1673, 18681), (3107, 10059), (3353, 9321), (5019, 6227)]