664251

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{673}}^1$

素因数の和:730

約数の個数: 16

約数和(自身を含む): 1035264

約数和(自身を除く): 371013

約数列:

[1, 3, 7, 21, 47, 141, 329, 673, 987, 2019, 4711, 14133, 31631, 94893, 221417, 664251]

約数ペア:

[(1, 664251), (3, 221417), (7, 94893), (21, 31631), (47, 14133), (141, 4711), (329, 2019), (673, 987)]