17977491

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1303}}^1$

素因数の和:1392

約数の個数: 32

約数和(自身を含む): 30878720

約数和(自身を除く): 12901229

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 511, 657, 1303, 1533, 1971, 3909, 4599, 9121, 11727, 13797, 27363, 35181, 82089, 95119, 246267, 285357, 665833, 856071, 1997499, 2568213, 5992497, 17977491]

約数ペア:

[(1, 17977491), (3, 5992497), (7, 2568213), (9, 1997499), (21, 856071), (27, 665833), (63, 285357), (73, 246267), (189, 95119), (219, 82089), (511, 35181), (657, 27363), (1303, 13797), (1533, 11727), (1971, 9121), (3909, 4599)]