20121609807

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{171979571}}^1$

素因数の和:171979590

約数の個数: 12

約数和(自身を含む): 31300282104

約数和(自身を除く): 11178672297

約数列:

[1, 3, 9, 13, 39, 117, 171979571, 515938713, 1547816139, 2235734423, 6707203269, 20121609807]

約数ペア:

[(1, 20121609807), (3, 6707203269), (9, 2235734423), (13, 1547816139), (39, 515938713), (117, 171979571)]