13205721

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{953}}^1$

素因数の和:1136

約数の個数: 16

約数和(自身を含む): 18316800

約数和(自身を除く): 5111079

約数列:

[1, 3, 31, 93, 149, 447, 953, 2859, 4619, 13857, 29543, 88629, 141997, 425991, 4401907, 13205721]

約数ペア:

[(1, 13205721), (3, 4401907), (31, 425991), (93, 141997), (149, 88629), (447, 29543), (953, 13857), (2859, 4619)]