12980505

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5309}}^1$

素因数の和:5480

約数の個数: 16

約数和(自身を含む): 20900160

約数和(自身を除く): 7919655

約数列:

[1, 3, 5, 15, 163, 489, 815, 2445, 5309, 15927, 26545, 79635, 865367, 2596101, 4326835, 12980505]

約数ペア:

[(1, 12980505), (3, 4326835), (5, 2596101), (15, 865367), (163, 79635), (489, 26545), (815, 15927), (2445, 5309)]