2130555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 3953664

約数和(自身を除く): 1823109

約数列:

[1, 3, 5, 7, 15, 21, 35, 103, 105, 197, 309, 515, 591, 721, 985, 1379, 1545, 2163, 2955, 3605, 4137, 6895, 10815, 20291, 20685, 60873, 101455, 142037, 304365, 426111, 710185, 2130555]

約数ペア:

[(1, 2130555), (3, 710185), (5, 426111), (7, 304365), (15, 142037), (21, 101455), (35, 60873), (103, 20685), (105, 20291), (197, 10815), (309, 6895), (515, 4137), (591, 3605), (721, 2955), (985, 2163), (1379, 1545)]