131390385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{8287}}^1$

素因数の和:8453

約数の個数: 32

約数和(自身を含む): 241876992

約数和(自身を除く): 110486607

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 151, 453, 755, 1057, 2265, 3171, 5285, 8287, 15855, 24861, 41435, 58009, 124305, 174027, 290045, 870135, 1251337, 3754011, 6256685, 8759359, 18770055, 26278077, 43796795, 131390385]

約数ペア:

[(1, 131390385), (3, 43796795), (5, 26278077), (7, 18770055), (15, 8759359), (21, 6256685), (35, 3754011), (105, 1251337), (151, 870135), (453, 290045), (755, 174027), (1057, 124305), (2265, 58009), (3171, 41435), (5285, 24861), (8287, 15855)]