217235943

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{4391}}^1$

素因数の和:4659

約数の個数: 24

約数和(自身を含む): 328872960

約数和(自身を除く): 111637017

約数列:

[1, 3, 9, 23, 69, 207, 239, 717, 2151, 4391, 5497, 13173, 16491, 39519, 49473, 100993, 302979, 908937, 1049449, 3148347, 9445041, 24137327, 72411981, 217235943]

約数ペア:

[(1, 217235943), (3, 72411981), (9, 24137327), (23, 9445041), (69, 3148347), (207, 1049449), (239, 908937), (717, 302979), (2151, 100993), (4391, 49473), (5497, 39519), (13173, 16491)]