28664703

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4357}}^1$

素因数の和:4423

約数の個数: 24

約数和(自身を含む): 44869968

約数和(自身を除く): 16205265

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 4357, 6579, 13071, 39213, 74069, 187351, 222207, 562053, 666621, 1686159, 3184967, 9554901, 28664703]

約数ペア:

[(1, 28664703), (3, 9554901), (9, 3184967), (17, 1686159), (43, 666621), (51, 562053), (129, 222207), (153, 187351), (387, 74069), (731, 39213), (2193, 13071), (4357, 6579)]