28157559

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 40789248

約数和(自身を除く): 12631689

約数列:

[1, 3, 17, 47, 51, 141, 289, 691, 799, 867, 2073, 2397, 11747, 13583, 32477, 35241, 40749, 97431, 199699, 552109, 599097, 1656327, 9385853, 28157559]

約数ペア:

[(1, 28157559), (3, 9385853), (17, 1656327), (47, 599097), (51, 552109), (141, 199699), (289, 97431), (691, 40749), (799, 35241), (867, 32477), (2073, 13583), (2397, 11747)]