16661565

素因数分解:

$3^3\times 5^1\times {\mathrm{123419}}^1$

素因数の和:123433

約数の個数: 16

約数和(自身を含む): 29620800

約数和(自身を除く): 12959235

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 123419, 370257, 617095, 1110771, 1851285, 3332313, 5553855, 16661565]

約数ペア:

[(1, 16661565), (3, 5553855), (5, 3332313), (9, 1851285), (15, 1110771), (27, 617095), (45, 370257), (135, 123419)]