76489821

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{857}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 113503104

約数和(自身を除く): 37013283

約数列:

[1, 3, 9, 47, 141, 211, 423, 633, 857, 1899, 2571, 7713, 9917, 29751, 40279, 89253, 120837, 180827, 362511, 542481, 1627443, 8498869, 25496607, 76489821]

約数ペア:

[(1, 76489821), (3, 25496607), (9, 8498869), (47, 1627443), (141, 542481), (211, 362511), (423, 180827), (633, 120837), (857, 89253), (1899, 40279), (2571, 29751), (7713, 9917)]