16400205

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2963}}^1$

素因数の和:3018

約数の個数: 32

約数和(自身を含む): 29877120

約数和(自身を除く): 13476915

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 615, 1107, 1845, 2963, 5535, 8889, 14815, 26667, 44445, 80001, 121483, 133335, 364449, 400005, 607415, 1093347, 1822245, 3280041, 5466735, 16400205]

約数ペア:

[(1, 16400205), (3, 5466735), (5, 3280041), (9, 1822245), (15, 1093347), (27, 607415), (41, 400005), (45, 364449), (123, 133335), (135, 121483), (205, 80001), (369, 44445), (615, 26667), (1107, 14815), (1845, 8889), (2963, 5535)]