16318887

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 24718848

約数和(自身を除く): 8399961

約数列:

[1, 3, 13, 37, 39, 43, 111, 129, 263, 481, 559, 789, 1443, 1591, 1677, 3419, 4773, 9731, 10257, 11309, 20683, 29193, 33927, 62049, 126503, 147017, 379509, 418433, 441051, 1255299, 5439629, 16318887]

約数ペア:

[(1, 16318887), (3, 5439629), (13, 1255299), (37, 441051), (39, 418433), (43, 379509), (111, 147017), (129, 126503), (263, 62049), (481, 33927), (559, 29193), (789, 20683), (1443, 11309), (1591, 10257), (1677, 9731), (3419, 4773)]