15971715

素因数分解:

$3^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{613}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 28587840

約数和(自身を除く): 12616125

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 193, 579, 613, 965, 1737, 1839, 2895, 3065, 5211, 5517, 8685, 9195, 16551, 26055, 27585, 82755, 118309, 354927, 591545, 1064781, 1774635, 3194343, 5323905, 15971715]

約数ペア:

[(1, 15971715), (3, 5323905), (5, 3194343), (9, 1774635), (15, 1064781), (27, 591545), (45, 354927), (135, 118309), (193, 82755), (579, 27585), (613, 26055), (965, 16551), (1737, 9195), (1839, 8685), (2895, 5517), (3065, 5211)]