197250789

素因数分解:

$3^1\times {\mathrm{53}}^2\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 272099520

約数和(自身を除く): 74848731

約数列:

[1, 3, 53, 89, 159, 263, 267, 789, 2809, 4717, 8427, 13939, 14151, 23407, 41817, 70221, 250001, 738767, 750003, 1240571, 2216301, 3721713, 65750263, 197250789]

約数ペア:

[(1, 197250789), (3, 65750263), (53, 3721713), (89, 2216301), (159, 1240571), (263, 750003), (267, 738767), (789, 250001), (2809, 70221), (4717, 41817), (8427, 23407), (13939, 14151)]