7981515

素因数分解:

$3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{919}}^1$

素因数の和:1123

約数の個数: 24

約数和(自身を含む): 13921440

約数和(自身を除く): 5939925

約数列:

[1, 3, 5, 9, 15, 45, 193, 579, 919, 965, 1737, 2757, 2895, 4595, 8271, 8685, 13785, 41355, 177367, 532101, 886835, 1596303, 2660505, 7981515]

約数ペア:

[(1, 7981515), (3, 2660505), (5, 1596303), (9, 886835), (15, 532101), (45, 177367), (193, 41355), (579, 13785), (919, 8685), (965, 8271), (1737, 4595), (2757, 2895)]