2170899

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{251}}^1$

素因数の和:319

約数の個数: 18

約数和(自身を含む): 3253068

約数和(自身を除く): 1082169

約数列:

[1, 3, 9, 31, 93, 251, 279, 753, 961, 2259, 2883, 7781, 8649, 23343, 70029, 241211, 723633, 2170899]

約数ペア:

[(1, 2170899), (3, 723633), (9, 241211), (31, 70029), (93, 23343), (251, 8649), (279, 7781), (753, 2883), (961, 2259)]