2019901617

素因数分解:

$3^4\times {\mathrm{2351}}^1\times {\mathrm{10607}}^1$

素因数の和:12970

約数の個数: 20

約数和(自身を含む): 3018951936

約数和(自身を除く): 999050319

約数列:

[1, 3, 9, 27, 81, 2351, 7053, 10607, 21159, 31821, 63477, 95463, 190431, 286389, 859167, 24937057, 74811171, 224433513, 673300539, 2019901617]

約数ペア:

[(1, 2019901617), (3, 673300539), (9, 224433513), (27, 74811171), (81, 24937057), (2351, 859167), (7053, 286389), (10607, 190431), (21159, 95463), (31821, 63477)]