31551429

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2459}}^1$

素因数の和:2529

約数の個数: 32

約数和(自身を含む): 52899840

約数和(自身を除く): 21348411

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 2459, 4277, 7377, 12831, 17213, 31967, 51639, 95901, 115573, 223769, 346719, 671307, 809011, 1502449, 2427033, 4507347, 10517143, 31551429]

約数ペア:

[(1, 31551429), (3, 10517143), (7, 4507347), (13, 2427033), (21, 1502449), (39, 809011), (47, 671307), (91, 346719), (141, 223769), (273, 115573), (329, 95901), (611, 51639), (987, 31967), (1833, 17213), (2459, 12831), (4277, 7377)]