890221407

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{907}}^1\times {\mathrm{6961}}^1$

素因数の和:7918

約数の個数: 16

約数和(自身を含む): 1213727232

約数和(自身を除く): 323505825

約数列:

[1, 3, 47, 141, 907, 2721, 6961, 20883, 42629, 127887, 327167, 981501, 6313627, 18940881, 296740469, 890221407]

約数ペア:

[(1, 890221407), (3, 296740469), (47, 18940881), (141, 6313627), (907, 981501), (2721, 327167), (6961, 127887), (20883, 42629)]