78821679

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1\times {\mathrm{809}}^1$

素因数の和:1550

約数の個数: 16

約数和(自身を含む): 107619840

約数和(自身を除く): 28798161

約数列:

[1, 3, 47, 141, 691, 809, 2073, 2427, 32477, 38023, 97431, 114069, 559019, 1677057, 26273893, 78821679]

約数ペア:

[(1, 78821679), (3, 26273893), (47, 1677057), (141, 559019), (691, 114069), (809, 97431), (2073, 38023), (2427, 32477)]