2019796215

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3131467}}^1$

素因数の和:3131518

約数の個数: 16

約数和(自身を含む): 3306830208

約数和(自身を除く): 1287033993

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 3131467, 9394401, 15657335, 46972005, 134653081, 403959243, 673265405, 2019796215]

約数ペア:

[(1, 2019796215), (3, 673265405), (5, 403959243), (15, 134653081), (43, 46972005), (129, 15657335), (215, 9394401), (645, 3131467)]