130426191

素因数分解:

$3^2\times 7^2\times {\mathrm{295751}}^1$

素因数の和:295771

約数の個数: 18

約数和(自身を含む): 219152232

約数和(自身を除く): 88726041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 295751, 887253, 2070257, 2661759, 6210771, 14491799, 18632313, 43475397, 130426191]

約数ペア:

[(1, 130426191), (3, 43475397), (7, 18632313), (9, 14491799), (21, 6210771), (49, 2661759), (63, 2070257), (147, 887253), (441, 295751)]