78617511

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{3793}}^1$

素因数の和:3860

約数の個数: 36

約数和(自身を含む): 134944992

約数和(自身を除く): 56327481

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 2303, 2961, 3793, 6909, 11379, 20727, 26551, 34137, 79653, 178271, 185857, 238959, 534813, 557571, 1247897, 1604439, 1672713, 3743691, 8735279, 11231073, 26205837, 78617511]

約数ペア:

[(1, 78617511), (3, 26205837), (7, 11231073), (9, 8735279), (21, 3743691), (47, 1672713), (49, 1604439), (63, 1247897), (141, 557571), (147, 534813), (329, 238959), (423, 185857), (441, 178271), (987, 79653), (2303, 34137), (2961, 26551), (3793, 20727), (6909, 11379)]