42247989

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{10009}}^1$

素因数の和:10089

約数の個数: 24

約数和(自身を含む): 70790720

約数和(自身を除く): 28542731

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 10009, 30027, 70063, 90081, 210189, 630567, 670603, 2011809, 4694221, 6035427, 14082663, 42247989]

約数ペア:

[(1, 42247989), (3, 14082663), (7, 6035427), (9, 4694221), (21, 2011809), (63, 670603), (67, 630567), (201, 210189), (469, 90081), (603, 70063), (1407, 30027), (4221, 10009)]