3995997

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2052

約数の個数: 16

約数和(自身を含む): 5754240

約数和(自身を除く): 1758243

約数列:

[1, 3, 23, 29, 69, 87, 667, 1997, 2001, 5991, 45931, 57913, 137793, 173739, 1331999, 3995997]

約数ペア:

[(1, 3995997), (3, 1331999), (23, 173739), (29, 137793), (69, 57913), (87, 45931), (667, 5991), (1997, 2001)]