28928367

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1129}}^1$

素因数の和:1224

約数の個数: 32

約数和(自身を含む): 46827200

約数和(自身を除く): 17898833

約数列:

[1, 3, 9, 13, 27, 39, 73, 117, 219, 351, 657, 949, 1129, 1971, 2847, 3387, 8541, 10161, 14677, 25623, 30483, 44031, 82417, 132093, 247251, 396279, 741753, 1071421, 2225259, 3214263, 9642789, 28928367]

約数ペア:

[(1, 28928367), (3, 9642789), (9, 3214263), (13, 2225259), (27, 1071421), (39, 741753), (73, 396279), (117, 247251), (219, 132093), (351, 82417), (657, 44031), (949, 30483), (1129, 25623), (1971, 14677), (2847, 10161), (3387, 8541)]