71974251

素因数分解:

$3^4\times {\mathrm{449}}^1\times {\mathrm{1979}}^1$

素因数の和:2440

約数の個数: 20

約数和(自身を含む): 107811000

約数和(自身を除く): 35836749

約数列:

[1, 3, 9, 27, 81, 449, 1347, 1979, 4041, 5937, 12123, 17811, 36369, 53433, 160299, 888571, 2665713, 7997139, 23991417, 71974251]

約数ペア:

[(1, 71974251), (3, 23991417), (9, 7997139), (27, 2665713), (81, 888571), (449, 160299), (1347, 53433), (1979, 36369), (4041, 17811), (5937, 12123)]