311913423

素因数分解:

$3^4\times {\mathrm{499}}^1\times {\mathrm{7717}}^1$

素因数の和:8228

約数の個数: 20

約数和(自身を含む): 466939000

約数和(自身を除く): 155025577

約数列:

[1, 3, 9, 27, 81, 499, 1497, 4491, 7717, 13473, 23151, 40419, 69453, 208359, 625077, 3850783, 11552349, 34657047, 103971141, 311913423]

約数ペア:

[(1, 311913423), (3, 103971141), (9, 34657047), (27, 11552349), (81, 3850783), (499, 625077), (1497, 208359), (4491, 69453), (7717, 40419), (13473, 23151)]