15991209

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1571}}^1$

素因数の和:1622

約数の個数: 32

約数和(自身を含む): 26409600

約数和(自身を除く): 10418391

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 117, 261, 351, 377, 783, 1131, 1571, 3393, 4713, 10179, 14139, 20423, 42417, 45559, 61269, 136677, 183807, 410031, 551421, 592267, 1230093, 1776801, 5330403, 15991209]

約数ペア:

[(1, 15991209), (3, 5330403), (9, 1776801), (13, 1230093), (27, 592267), (29, 551421), (39, 410031), (87, 183807), (117, 136677), (261, 61269), (351, 45559), (377, 42417), (783, 20423), (1131, 14139), (1571, 10179), (3393, 4713)]