13225815

素因数分解:

$3^3\times 5^1\times {\mathrm{313}}^2$

素因数の和:640

約数の個数: 24

約数和(自身を含む): 23587920

約数和(自身を除く): 10362105

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 313, 939, 1565, 2817, 4695, 8451, 14085, 42255, 97969, 293907, 489845, 881721, 1469535, 2645163, 4408605, 13225815]

約数ペア:

[(1, 13225815), (3, 4408605), (5, 2645163), (9, 1469535), (15, 881721), (27, 489845), (45, 293907), (135, 97969), (313, 42255), (939, 14085), (1565, 8451), (2817, 4695)]