121995839

素因数分解:

$7^3\times {\mathrm{179}}^1\times {\mathrm{1987}}^1$

素因数の和:2187

約数の個数: 16

約数和(自身を含む): 143136000

約数和(自身を除く): 21140161

約数列:

[1, 7, 49, 179, 343, 1253, 1987, 8771, 13909, 61397, 97363, 355673, 681541, 2489711, 17427977, 121995839]

約数ペア:

[(1, 121995839), (7, 17427977), (49, 2489711), (179, 681541), (343, 355673), (1253, 97363), (1987, 61397), (8771, 13909)]