13281471

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12401}}^1$

素因数の和:12431

約数の個数: 24

約数和(自身を含む): 23216544

約数和(自身を除く): 9935073

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 12401, 37203, 86807, 111609, 210817, 260421, 632451, 781263, 1475719, 1897353, 4427157, 13281471]

約数ペア:

[(1, 13281471), (3, 4427157), (7, 1897353), (9, 1475719), (17, 781263), (21, 632451), (51, 260421), (63, 210817), (119, 111609), (153, 86807), (357, 37203), (1071, 12401)]