26904915

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{12721}}^1$

素因数の和:12779

約数の個数: 24

約数和(自身を含む): 47631168

約数和(自身を除く): 20726253

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 12721, 38163, 63605, 114489, 190815, 572445, 597887, 1793661, 2989435, 5380983, 8968305, 26904915]

約数ペア:

[(1, 26904915), (3, 8968305), (5, 5380983), (9, 2989435), (15, 1793661), (45, 597887), (47, 572445), (141, 190815), (235, 114489), (423, 63605), (705, 38163), (2115, 12721)]