31468479

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{487}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 51158016

約数和(自身を除く): 19689537

約数列:

[1, 3, 7, 17, 21, 51, 119, 181, 357, 487, 543, 1267, 1461, 3077, 3409, 3801, 8279, 9231, 10227, 21539, 24837, 57953, 64617, 88147, 173859, 264441, 617029, 1498499, 1851087, 4495497, 10489493, 31468479]

約数ペア:

[(1, 31468479), (3, 10489493), (7, 4495497), (17, 1851087), (21, 1498499), (51, 617029), (119, 264441), (181, 173859), (357, 88147), (487, 64617), (543, 57953), (1267, 24837), (1461, 21539), (3077, 10227), (3409, 9231), (3801, 8279)]