388639461

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{10009}}^1$

素因数の和:10105

約数の個数: 24

約数和(自身を含む): 606365760

約数和(自身を除く): 217726299

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 1849, 5547, 10009, 12943, 30027, 38829, 70063, 210189, 430387, 1291161, 3012709, 9038127, 18506641, 55519923, 129546487, 388639461]

約数ペア:

[(1, 388639461), (3, 129546487), (7, 55519923), (21, 18506641), (43, 9038127), (129, 3012709), (301, 1291161), (903, 430387), (1849, 210189), (5547, 70063), (10009, 38829), (12943, 30027)]