12643893

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 18959616

約数和(自身を除く): 6315723

約数列:

[1, 3, 9, 47, 71, 141, 213, 421, 423, 639, 1263, 3337, 3789, 10011, 19787, 29891, 30033, 59361, 89673, 178083, 269019, 1404877, 4214631, 12643893]

約数ペア:

[(1, 12643893), (3, 4214631), (9, 1404877), (47, 269019), (71, 178083), (141, 89673), (213, 59361), (421, 30033), (423, 29891), (639, 19787), (1263, 10011), (3337, 3789)]