7953813

素因数分解:

$3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{661}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 13218816

約数和(自身を除く): 5265003

約数列:

[1, 3, 7, 9, 21, 63, 191, 573, 661, 1337, 1719, 1983, 4011, 4627, 5949, 12033, 13881, 41643, 126251, 378753, 883757, 1136259, 2651271, 7953813]

約数ペア:

[(1, 7953813), (3, 2651271), (7, 1136259), (9, 883757), (21, 378753), (63, 126251), (191, 41643), (573, 13881), (661, 12033), (1337, 5949), (1719, 4627), (1983, 4011)]