1900190721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4429349}}^1$

素因数の和:4429376

約数の個数: 16

約数和(自身を含む): 2976523200

約数和(自身を除く): 1076332479

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 4429349, 13288047, 48722839, 57581537, 146168517, 172744611, 633396907, 1900190721]

約数ペア:

[(1, 1900190721), (3, 633396907), (11, 172744611), (13, 146168517), (33, 57581537), (39, 48722839), (143, 13288047), (429, 4429349)]