247790985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{6653}}^1$

素因数の和:6865

約数の個数: 32

約数和(自身を含む): 429262848

約数和(自身を除く): 181471863

約数列:

[1, 3, 5, 13, 15, 39, 65, 191, 195, 573, 955, 2483, 2865, 6653, 7449, 12415, 19959, 33265, 37245, 86489, 99795, 259467, 432445, 1270723, 1297335, 3812169, 6353615, 16519399, 19060845, 49558197, 82596995, 247790985]

約数ペア:

[(1, 247790985), (3, 82596995), (5, 49558197), (13, 19060845), (15, 16519399), (39, 6353615), (65, 3812169), (191, 1297335), (195, 1270723), (573, 432445), (955, 259467), (2483, 99795), (2865, 86489), (6653, 37245), (7449, 33265), (12415, 19959)]