639968367

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1\times {\mathrm{4231}}^1$

素因数の和:4758

約数の個数: 16

約数和(自身を含む): 862380032

約数和(自身を除く): 222411665

約数列:

[1, 3, 127, 381, 397, 1191, 4231, 12693, 50419, 151257, 537337, 1612011, 1679707, 5039121, 213322789, 639968367]

約数ペア:

[(1, 639968367), (3, 213322789), (127, 5039121), (381, 1679707), (397, 1612011), (1191, 537337), (4231, 151257), (12693, 50419)]