31386117

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2399}}^1$

素因数の和:2505

約数の個数: 24

約数和(自身を含む): 49248000

約数和(自身を除く): 17861883

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1869, 2399, 4361, 7197, 13083, 16793, 50379, 117551, 213511, 352653, 640533, 1494577, 4483731, 10462039, 31386117]

約数ペア:

[(1, 31386117), (3, 10462039), (7, 4483731), (21, 1494577), (49, 640533), (89, 352653), (147, 213511), (267, 117551), (623, 50379), (1869, 16793), (2399, 13083), (4361, 7197)]