31290399

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6287}}^1$

素因数の和:6379

約数の個数: 24

約数和(自身を含む): 52316160

約数和(自身を除く): 21025761

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4977, 6287, 18861, 44009, 56583, 132027, 396081, 496673, 1490019, 3476711, 4470057, 10430133, 31290399]

約数ペア:

[(1, 31290399), (3, 10430133), (7, 4470057), (9, 3476711), (21, 1490019), (63, 496673), (79, 396081), (237, 132027), (553, 56583), (711, 44009), (1659, 18861), (4977, 6287)]