28744569

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{26839}}^1$

素因数の和:26869

約数の個数: 24

約数和(自身を含む): 50244480

約数和(自身を除く): 21499911

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 26839, 80517, 187873, 241551, 456263, 563619, 1368789, 1690857, 3193841, 4106367, 9581523, 28744569]

約数ペア:

[(1, 28744569), (3, 9581523), (7, 4106367), (9, 3193841), (17, 1690857), (21, 1368789), (51, 563619), (63, 456263), (119, 241551), (153, 187873), (357, 80517), (1071, 26839)]