81425379

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{49081}}^1$

素因数の和:49170

約数の個数: 16

約数和(自身を含む): 125649920

約数和(自身を除く): 44224541

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 49081, 147243, 343567, 1030701, 3877399, 11632197, 27141793, 81425379]

約数ペア:

[(1, 81425379), (3, 27141793), (7, 11632197), (21, 3877399), (79, 1030701), (237, 343567), (553, 147243), (1659, 49081)]