13890915

素因数分解:

$3^2\times 5^1\times {\mathrm{467}}^1\times {\mathrm{661}}^1$

素因数の和:1139

約数の個数: 24

約数和(自身を含む): 24165648

約数和(自身を除く): 10274733

約数列:

[1, 3, 5, 9, 15, 45, 467, 661, 1401, 1983, 2335, 3305, 4203, 5949, 7005, 9915, 21015, 29745, 308687, 926061, 1543435, 2778183, 4630305, 13890915]

約数ペア:

[(1, 13890915), (3, 4630305), (5, 2778183), (9, 1543435), (15, 926061), (45, 308687), (467, 29745), (661, 21015), (1401, 9915), (1983, 7005), (2335, 5949), (3305, 4203)]