67949721

素因数分解:

$3^2\times 7^2\times {\mathrm{154081}}^1$

素因数の和:154101

約数の個数: 18

約数和(自身を含む): 114174762

約数和(自身を除く): 46225041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 154081, 462243, 1078567, 1386729, 3235701, 7549969, 9707103, 22649907, 67949721]

約数ペア:

[(1, 67949721), (3, 22649907), (7, 9707103), (9, 7549969), (21, 3235701), (49, 1386729), (63, 1078567), (147, 462243), (441, 154081)]