520160403

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{2381}}^1$

素因数の和:2595

約数の個数: 32

約数和(自身を含む): 808584192

約数和(自身を除く): 288423789

約数列:

[1, 3, 7, 21, 101, 103, 303, 309, 707, 721, 2121, 2163, 2381, 7143, 10403, 16667, 31209, 50001, 72821, 218463, 240481, 245243, 721443, 735729, 1683367, 1716701, 5050101, 5150103, 24769543, 74308629, 173386801, 520160403]

約数ペア:

[(1, 520160403), (3, 173386801), (7, 74308629), (21, 24769543), (101, 5150103), (103, 5050101), (303, 1716701), (309, 1683367), (707, 735729), (721, 721443), (2121, 245243), (2163, 240481), (2381, 218463), (7143, 72821), (10403, 50001), (16667, 31209)]