64820493

素因数分解:

$3^7\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 98478720

約数和(自身を除く): 33658227

約数列:

[1, 3, 9, 27, 81, 107, 243, 277, 321, 729, 831, 963, 2187, 2493, 2889, 7479, 8667, 22437, 26001, 29639, 67311, 78003, 88917, 201933, 234009, 266751, 605799, 800253, 2400759, 7202277, 21606831, 64820493]

約数ペア:

[(1, 64820493), (3, 21606831), (9, 7202277), (27, 2400759), (81, 800253), (107, 605799), (243, 266751), (277, 234009), (321, 201933), (729, 88917), (831, 78003), (963, 67311), (2187, 29639), (2493, 26001), (2889, 22437), (7479, 8667)]