80642457

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{7853}}^1$

素因数の和:8029

約数の個数: 24

約数和(自身を含む): 133957824

約数和(自身を除く): 53315367

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1467, 3423, 7853, 10269, 23559, 54971, 70677, 164913, 494739, 1280039, 3840117, 8960273, 11520351, 26880819, 80642457]

約数ペア:

[(1, 80642457), (3, 26880819), (7, 11520351), (9, 8960273), (21, 3840117), (63, 1280039), (163, 494739), (489, 164913), (1141, 70677), (1467, 54971), (3423, 23559), (7853, 10269)]