31098717

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1693}}^1$

素因数の和:1869

約数の個数: 24

約数和(自身を含む): 48712664

約数和(自身を除く): 17613947

約数列:

[1, 3, 9, 13, 39, 117, 157, 471, 1413, 1693, 2041, 5079, 6123, 15237, 18369, 22009, 66027, 198081, 265801, 797403, 2392209, 3455413, 10366239, 31098717]

約数ペア:

[(1, 31098717), (3, 10366239), (9, 3455413), (13, 2392209), (39, 797403), (117, 265801), (157, 198081), (471, 66027), (1413, 22009), (1693, 18369), (2041, 15237), (5079, 6123)]