16987041

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{599}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 25833600

約数和(自身を除く): 8846559

約数列:

[1, 3, 9, 23, 69, 137, 207, 411, 599, 1233, 1797, 3151, 5391, 9453, 13777, 28359, 41331, 82063, 123993, 246189, 738567, 1887449, 5662347, 16987041]

約数ペア:

[(1, 16987041), (3, 5662347), (9, 1887449), (23, 738567), (69, 246189), (137, 123993), (207, 82063), (411, 41331), (599, 28359), (1233, 13777), (1797, 9453), (3151, 5391)]