128514843

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{17827}}^1$

素因数の和:17928

約数の個数: 20

約数和(自身を含む): 194146920

約数和(自身を除く): 65632077

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 17827, 53481, 160443, 481329, 1443987, 1586603, 4759809, 14279427, 42838281, 128514843]

約数ペア:

[(1, 128514843), (3, 42838281), (9, 14279427), (27, 4759809), (81, 1586603), (89, 1443987), (267, 481329), (801, 160443), (2403, 53481), (7209, 17827)]