138642009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{27823}}^1$

素因数の和:27988

約数の個数: 16

約数和(自身を含む): 203003904

約数和(自身を除く): 64361895

約数列:

[1, 3, 11, 33, 151, 453, 1661, 4983, 27823, 83469, 306053, 918159, 4201273, 12603819, 46214003, 138642009]

約数ペア:

[(1, 138642009), (3, 46214003), (11, 12603819), (33, 4201273), (151, 918159), (453, 306053), (1661, 83469), (4983, 27823)]