81403959

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8059}}^1$

素因数の和:8119

約数の個数: 32

約数和(自身を含む): 137213440

約数和(自身を除く): 55809481

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 3367, 8059, 10101, 24177, 56413, 104767, 169239, 298183, 314301, 733369, 894549, 2087281, 2200107, 3876379, 6261843, 11629137, 27134653, 81403959]

約数ペア:

[(1, 81403959), (3, 27134653), (7, 11629137), (13, 6261843), (21, 3876379), (37, 2200107), (39, 2087281), (91, 894549), (111, 733369), (259, 314301), (273, 298183), (481, 169239), (777, 104767), (1443, 56413), (3367, 24177), (8059, 10101)]