42139209

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{118037}}^1$

素因数の和:118064

約数の個数: 16

約数和(自身を含む): 67989888

約数和(自身を除く): 25850679

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 118037, 354111, 826259, 2006629, 2478777, 6019887, 14046403, 42139209]

約数ペア:

[(1, 42139209), (3, 14046403), (7, 6019887), (17, 2478777), (21, 2006629), (51, 826259), (119, 354111), (357, 118037)]