28140705

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14543}}^1$

素因数の和:14597

約数の個数: 24

約数和(自身を含む): 49915008

約数和(自身を除く): 21774303

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 14543, 43629, 72715, 130887, 218145, 625349, 654435, 1876047, 3126745, 5628141, 9380235, 28140705]

約数ペア:

[(1, 28140705), (3, 9380235), (5, 5628141), (9, 3126745), (15, 1876047), (43, 654435), (45, 625349), (129, 218145), (215, 130887), (387, 72715), (645, 43629), (1935, 14543)]