30720767

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 40449024

約数和(自身を除く): 9728257

約数列:

[1, 7, 11, 37, 41, 77, 259, 263, 287, 407, 451, 1517, 1841, 2849, 2893, 3157, 9731, 10619, 10783, 16687, 20251, 68117, 75481, 107041, 116809, 118613, 398971, 749287, 830291, 2792797, 4388681, 30720767]

約数ペア:

[(1, 30720767), (7, 4388681), (11, 2792797), (37, 830291), (41, 749287), (77, 398971), (259, 118613), (263, 116809), (287, 107041), (407, 75481), (451, 68117), (1517, 20251), (1841, 16687), (2849, 10783), (2893, 10619), (3157, 9731)]