31380951

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78649}}^1$

素因数の和:78678

約数の個数: 16

約数和(自身を含む): 50336000

約数和(自身を除く): 18955049

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 78649, 235947, 550543, 1494331, 1651629, 4482993, 10460317, 31380951]

約数ペア:

[(1, 31380951), (3, 10460317), (7, 4482993), (19, 1651629), (21, 1494331), (57, 550543), (133, 235947), (399, 78649)]