1668937557

素因数分解:

$3^1\times 7^1\times {\mathrm{3329}}^1\times {\mathrm{23873}}^1$

素因数の和:27212

約数の個数: 16

約数和(自身を含む): 2544013440

約数和(自身を除く): 875075883

約数列:

[1, 3, 7, 21, 3329, 9987, 23303, 23873, 69909, 71619, 167111, 501333, 79473217, 238419651, 556312519, 1668937557]

約数ペア:

[(1, 1668937557), (3, 556312519), (7, 238419651), (21, 79473217), (3329, 501333), (9987, 167111), (23303, 71619), (23873, 69909)]