80878869

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{2693}}^1$

素因数の和:2817

約数の個数: 24

約数和(自身を含む): 121036032

約数和(自身を除く): 40157163

約数列:

[1, 3, 9, 47, 71, 141, 213, 423, 639, 2693, 3337, 8079, 10011, 24237, 30033, 126571, 191203, 379713, 573609, 1139139, 1720827, 8986541, 26959623, 80878869]

約数ペア:

[(1, 80878869), (3, 26959623), (9, 8986541), (47, 1720827), (71, 1139139), (141, 573609), (213, 379713), (423, 191203), (639, 126571), (2693, 30033), (3337, 24237), (8079, 10011)]