80777907

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{18059}}^1$

素因数の和:18143

約数の個数: 24

約数和(自身を含む): 135233280

約数和(自身を除く): 54455373

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 18059, 54177, 126413, 162531, 379239, 1137717, 1282189, 3846567, 8975323, 11539701, 26925969, 80777907]

約数ペア:

[(1, 80777907), (3, 26925969), (7, 11539701), (9, 8975323), (21, 3846567), (63, 1282189), (71, 1137717), (213, 379239), (497, 162531), (639, 126413), (1491, 54177), (4473, 18059)]