81207951

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{379}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 121989120

約数和(自身を除く): 40781169

約数列:

[1, 3, 11, 33, 43, 129, 151, 379, 453, 473, 1137, 1419, 1661, 4169, 4983, 6493, 12507, 16297, 19479, 48891, 57229, 71423, 171687, 179267, 214269, 537801, 629519, 1888557, 2460847, 7382541, 27069317, 81207951]

約数ペア:

[(1, 81207951), (3, 27069317), (11, 7382541), (33, 2460847), (43, 1888557), (129, 629519), (151, 537801), (379, 214269), (453, 179267), (473, 171687), (1137, 71423), (1419, 57229), (1661, 48891), (4169, 19479), (4983, 16297), (6493, 12507)]