15721935117

素因数分解:

$3^1\times 7^1\times {\mathrm{1381}}^1\times {\mathrm{542117}}^1$

素因数の和:543508

約数の個数: 16

約数和(自身を含む): 23974626432

約数和(自身を除く): 8252691315

約数列:

[1, 3, 7, 21, 1381, 4143, 9667, 29001, 542117, 1626351, 3794819, 11384457, 748663577, 2245990731, 5240645039, 15721935117]

約数ペア:

[(1, 15721935117), (3, 5240645039), (7, 2245990731), (21, 748663577), (1381, 11384457), (4143, 3794819), (9667, 1626351), (29001, 542117)]