15721311221

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12010169}}^1$

素因数の和:12010204

約数の個数: 16

約数和(自身を含む): 20753573760

約数和(自身を除く): 5032262539

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 12010169, 84071183, 132111859, 204172873, 924783013, 1429210111, 2245901603, 15721311221]

約数ペア:

[(1, 15721311221), (7, 2245901603), (11, 1429210111), (17, 924783013), (77, 204172873), (119, 132111859), (187, 84071183), (1309, 12010169)]