28507809

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{2393}}^1$

素因数の和:2445

約数の個数: 24

約数和(自身を含む): 43781472

約数和(自身を除く): 15273663

約数列:

[1, 3, 11, 19, 33, 57, 209, 361, 627, 1083, 2393, 3971, 7179, 11913, 26323, 45467, 78969, 136401, 500137, 863873, 1500411, 2591619, 9502603, 28507809]

約数ペア:

[(1, 28507809), (3, 9502603), (11, 2591619), (19, 1500411), (33, 863873), (57, 500137), (209, 136401), (361, 78969), (627, 45467), (1083, 26323), (2393, 11913), (3971, 7179)]