75820005

素因数分解:

$3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2549}}^1$

素因数の和:3221

約数の個数: 24

約数和(自身を含む): 131671800

約数和(自身を除く): 55851795

約数列:

[1, 3, 5, 9, 15, 45, 661, 1983, 2549, 3305, 5949, 7647, 9915, 12745, 22941, 29745, 38235, 114705, 1684889, 5054667, 8424445, 15164001, 25273335, 75820005]

約数ペア:

[(1, 75820005), (3, 25273335), (5, 15164001), (9, 8424445), (15, 5054667), (45, 1684889), (661, 114705), (1983, 38235), (2549, 29745), (3305, 22941), (5949, 12745), (7647, 9915)]