381657339

素因数分解:

$3^4\times 7^1\times {\mathrm{673117}}^1$

素因数の和:673136

約数の個数: 20

約数和(自身を含む): 651578224

約数和(自身を除く): 269920885

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 673117, 2019351, 4711819, 6058053, 14135457, 18174159, 42406371, 54522477, 127219113, 381657339]

約数ペア:

[(1, 381657339), (3, 127219113), (7, 54522477), (9, 42406371), (21, 18174159), (27, 14135457), (63, 6058053), (81, 4711819), (189, 2019351), (567, 673117)]