1217775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1249}}^1$

素因数の和:1275

約数の個数: 24

約数和(自身を含む): 2170000

約数和(自身を除く): 952225

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 1249, 3747, 6245, 16237, 18735, 31225, 48711, 81185, 93675, 243555, 405925, 1217775]

約数ペア:

[(1, 1217775), (3, 405925), (5, 243555), (13, 93675), (15, 81185), (25, 48711), (39, 31225), (65, 18735), (75, 16237), (195, 6245), (325, 3747), (975, 1249)]