90721845

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{27617}}^1$

素因数の和:27701

約数の個数: 24

約数和(自身を含む): 159411096

約数和(自身を除く): 68689251

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 27617, 82851, 138085, 248553, 414255, 1242765, 2016041, 6048123, 10080205, 18144369, 30240615, 90721845]

約数ペア:

[(1, 90721845), (3, 30240615), (5, 18144369), (9, 10080205), (15, 6048123), (45, 2016041), (73, 1242765), (219, 414255), (365, 248553), (657, 138085), (1095, 82851), (3285, 27617)]