31263345

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 56888832

約数和(自身を除く): 25625487

約数列:

[1, 3, 5, 9, 15, 31, 45, 73, 93, 155, 219, 279, 307, 365, 465, 657, 921, 1095, 1395, 1535, 2263, 2763, 3285, 4605, 6789, 9517, 11315, 13815, 20367, 22411, 28551, 33945, 47585, 67233, 85653, 101835, 112055, 142755, 201699, 336165, 428265, 694741, 1008495, 2084223, 3473705, 6252669, 10421115, 31263345]

約数ペア:

[(1, 31263345), (3, 10421115), (5, 6252669), (9, 3473705), (15, 2084223), (31, 1008495), (45, 694741), (73, 428265), (93, 336165), (155, 201699), (219, 142755), (279, 112055), (307, 101835), (365, 85653), (465, 67233), (657, 47585), (921, 33945), (1095, 28551), (1395, 22411), (1535, 20367), (2263, 13815), (2763, 11315), (3285, 9517), (4605, 6789)]