78877233

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{20719}}^1$

素因数の和:20778

約数の個数: 20

約数和(自身を含む): 120341760

約数和(自身を除く): 41464527

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 20719, 62157, 186471, 559413, 973793, 1678239, 2921379, 8764137, 26292411, 78877233]

約数ペア:

[(1, 78877233), (3, 26292411), (9, 8764137), (27, 2921379), (47, 1678239), (81, 973793), (141, 559413), (423, 186471), (1269, 62157), (3807, 20719)]