81504409

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{5393}}^1$

素因数の和:5544

約数の個数: 16

約数和(自身を含む): 99422208

約数和(自身を除く): 17917799

約数列:

[1, 7, 17, 119, 127, 889, 2159, 5393, 15113, 37751, 91681, 641767, 684911, 4794377, 11643487, 81504409]

約数ペア:

[(1, 81504409), (7, 11643487), (17, 4794377), (119, 684911), (127, 641767), (889, 91681), (2159, 37751), (5393, 15113)]