81274905

素因数分解:

$3^2\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{1399}}^1$

素因数の和:2701

約数の個数: 24

約数和(自身を含む): 141086400

約数和(自身を除く): 59811495

約数列:

[1, 3, 5, 9, 15, 45, 1291, 1399, 3873, 4197, 6455, 6995, 11619, 12591, 19365, 20985, 58095, 62955, 1806109, 5418327, 9030545, 16254981, 27091635, 81274905]

約数ペア:

[(1, 81274905), (3, 27091635), (5, 16254981), (9, 9030545), (15, 5418327), (45, 1806109), (1291, 62955), (1399, 58095), (3873, 20985), (4197, 19365), (6455, 12591), (6995, 11619)]