428001

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:328

約数の個数: 16

約数和(自身を含む): 662400

約数和(自身を除く): 234399

約数列:

[1, 3, 7, 21, 89, 229, 267, 623, 687, 1603, 1869, 4809, 20381, 61143, 142667, 428001]

約数ペア:

[(1, 428001), (3, 142667), (7, 61143), (21, 20381), (89, 4809), (229, 1869), (267, 1603), (623, 687)]