81137658

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{8663}}^1$

素因数の和:8898

約数の個数: 32

約数和(自身を含む): 186310656

約数和(自身を除く): 105172998

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 223, 446, 669, 1338, 1561, 3122, 4683, 8663, 9366, 17326, 25989, 51978, 60641, 121282, 181923, 363846, 1931849, 3863698, 5795547, 11591094, 13522943, 27045886, 40568829, 81137658]

約数ペア:

[(1, 81137658), (2, 40568829), (3, 27045886), (6, 13522943), (7, 11591094), (14, 5795547), (21, 3863698), (42, 1931849), (223, 363846), (446, 181923), (669, 121282), (1338, 60641), (1561, 51978), (3122, 25989), (4683, 17326), (8663, 9366)]