28262169

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1103}}^1$

素因数の和:1198

約数の個数: 32

約数和(自身を含む): 45749760

約数和(自身を除く): 17487591

約数列:

[1, 3, 9, 13, 27, 39, 73, 117, 219, 351, 657, 949, 1103, 1971, 2847, 3309, 8541, 9927, 14339, 25623, 29781, 43017, 80519, 129051, 241557, 387153, 724671, 1046747, 2174013, 3140241, 9420723, 28262169]

約数ペア:

[(1, 28262169), (3, 9420723), (9, 3140241), (13, 2174013), (27, 1046747), (39, 724671), (73, 387153), (117, 241557), (219, 129051), (351, 80519), (657, 43017), (949, 29781), (1103, 25623), (1971, 14339), (2847, 9927), (3309, 8541)]