64671579

素因数分解:

$3^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1553}}^1$

素因数の和:2227

約数の個数: 24

約数和(自身を含む): 106989792

約数和(自身を除く): 42318213

約数列:

[1, 3, 7, 9, 21, 63, 661, 1553, 1983, 4627, 4659, 5949, 10871, 13881, 13977, 32613, 41643, 97839, 1026533, 3079599, 7185731, 9238797, 21557193, 64671579]

約数ペア:

[(1, 64671579), (3, 21557193), (7, 9238797), (9, 7185731), (21, 3079599), (63, 1026533), (661, 97839), (1553, 41643), (1983, 32613), (4627, 13977), (4659, 13881), (5949, 10871)]