15880347

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1151}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 27279360

約数和(自身を除く): 11399013

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 511, 657, 1151, 1533, 1971, 3453, 4599, 8057, 10359, 13797, 24171, 31077, 72513, 84023, 217539, 252069, 588161, 756207, 1764483, 2268621, 5293449, 15880347]

約数ペア:

[(1, 15880347), (3, 5293449), (7, 2268621), (9, 1764483), (21, 756207), (27, 588161), (63, 252069), (73, 217539), (189, 84023), (219, 72513), (511, 31077), (657, 24171), (1151, 13797), (1533, 10359), (1971, 8057), (3453, 4599)]