16156881

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{241}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 26019840

約数和(自身を除く): 9862959

約数列:

[1, 3, 9, 13, 27, 39, 117, 191, 241, 351, 573, 723, 1719, 2169, 2483, 3133, 5157, 6507, 7449, 9399, 22347, 28197, 46031, 67041, 84591, 138093, 414279, 598403, 1242837, 1795209, 5385627, 16156881]

約数ペア:

[(1, 16156881), (3, 5385627), (9, 1795209), (13, 1242837), (27, 598403), (39, 414279), (117, 138093), (191, 84591), (241, 67041), (351, 46031), (573, 28197), (723, 22347), (1719, 9399), (2169, 7449), (2483, 6507), (3133, 5157)]