142800539

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{6389}}^1$

素因数の和:6530

約数の個数: 16

約数和(自身を含む): 170127360

約数和(自身を除く): 27326821

約数列:

[1, 7, 31, 103, 217, 721, 3193, 6389, 22351, 44723, 198059, 658067, 1386413, 4606469, 20400077, 142800539]

約数ペア:

[(1, 142800539), (7, 20400077), (31, 4606469), (103, 1386413), (217, 658067), (721, 198059), (3193, 44723), (6389, 22351)]