31269147

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2437}}^1$

素因数の和:2507

約数の個数: 32

約数和(自身を含む): 52426752

約数和(自身を除く): 21157605

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 2437, 4277, 7311, 12831, 17059, 31681, 51177, 95043, 114539, 221767, 343617, 665301, 801773, 1489007, 2405319, 4467021, 10423049, 31269147]

約数ペア:

[(1, 31269147), (3, 10423049), (7, 4467021), (13, 2405319), (21, 1489007), (39, 801773), (47, 665301), (91, 343617), (141, 221767), (273, 114539), (329, 95043), (611, 51177), (987, 31681), (1833, 17059), (2437, 12831), (4277, 7311)]