28163961

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5023}}^1$

素因数の和:5125

約数の個数: 24

約数和(自身を含む): 47024640

約数和(自身を除く): 18860679

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5023, 5607, 15069, 35161, 45207, 105483, 316449, 447047, 1341141, 3129329, 4023423, 9387987, 28163961]

約数ペア:

[(1, 28163961), (3, 9387987), (7, 4023423), (9, 3129329), (21, 1341141), (63, 447047), (89, 316449), (267, 105483), (623, 45207), (801, 35161), (1869, 15069), (5023, 5607)]