209291277

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3373}}^1$

素因数の和:3469

約数の個数: 32

約数和(自身を含む): 315914368

約数和(自身を除く): 106623091

約数列:

[1, 3, 13, 37, 39, 43, 111, 129, 481, 559, 1443, 1591, 1677, 3373, 4773, 10119, 20683, 43849, 62049, 124801, 131547, 145039, 374403, 435117, 1622413, 1885507, 4867239, 5366443, 5656521, 16099329, 69763759, 209291277]

約数ペア:

[(1, 209291277), (3, 69763759), (13, 16099329), (37, 5656521), (39, 5366443), (43, 4867239), (111, 1885507), (129, 1622413), (481, 435117), (559, 374403), (1443, 145039), (1591, 131547), (1677, 124801), (3373, 62049), (4773, 43849), (10119, 20683)]