13980915

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23899}}^1$

素因数の和:23923

約数の個数: 24

約数和(自身を含む): 26098800

約数和(自身を除く): 12117885

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 23899, 71697, 119495, 215091, 310687, 358485, 932061, 1075455, 1553435, 2796183, 4660305, 13980915]

約数ペア:

[(1, 13980915), (3, 4660305), (5, 2796183), (9, 1553435), (13, 1075455), (15, 932061), (39, 358485), (45, 310687), (65, 215091), (117, 119495), (195, 71697), (585, 23899)]