15721359

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2593}}^1$

素因数の和:2686

約数の個数: 16

約数和(自身を含む): 21914112

約数和(自身を除く): 6192753

約数列:

[1, 3, 43, 47, 129, 141, 2021, 2593, 6063, 7779, 111499, 121871, 334497, 365613, 5240453, 15721359]

約数ペア:

[(1, 15721359), (3, 5240453), (43, 365613), (47, 334497), (129, 121871), (141, 111499), (2021, 7779), (2593, 6063)]