18026169

素因数分解:

$3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{823}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 28180800

約数和(自身を除く): 10154631

約数列:

[1, 3, 7, 21, 49, 147, 149, 447, 823, 1043, 2469, 3129, 5761, 7301, 17283, 21903, 40327, 120981, 122627, 367881, 858389, 2575167, 6008723, 18026169]

約数ペア:

[(1, 18026169), (3, 6008723), (7, 2575167), (21, 858389), (49, 367881), (147, 122627), (149, 120981), (447, 40327), (823, 21903), (1043, 17283), (2469, 7301), (3129, 5761)]