287802021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199447}}^1$

素因数の和:199500

約数の個数: 16

約数和(自身を含む): 424425344

約数和(自身を除く): 136623323

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 199447, 598341, 2592811, 7379539, 7778433, 22138617, 95934007, 287802021]

約数ペア:

[(1, 287802021), (3, 95934007), (13, 22138617), (37, 7778433), (39, 7379539), (111, 2592811), (481, 598341), (1443, 199447)]