31887177

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{617}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 51259392

約数和(自身を除く): 19372215

約数列:

[1, 3, 7, 21, 23, 69, 107, 161, 321, 483, 617, 749, 1851, 2247, 2461, 4319, 7383, 12957, 14191, 17227, 42573, 51681, 66019, 99337, 198057, 298011, 462133, 1386399, 1518437, 4555311, 10629059, 31887177]

約数ペア:

[(1, 31887177), (3, 10629059), (7, 4555311), (21, 1518437), (23, 1386399), (69, 462133), (107, 298011), (161, 198057), (321, 99337), (483, 66019), (617, 51681), (749, 42573), (1851, 17227), (2247, 14191), (2461, 12957), (4319, 7383)]