64763955

素因数分解:

$3^4\times 5^1\times {\mathrm{159911}}^1$

素因数の和:159928

約数の個数: 20

約数和(自身を含む): 116096112

約数和(自身を除く): 51332157

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 159911, 479733, 799555, 1439199, 2398665, 4317597, 7195995, 12952791, 21587985, 64763955]

約数ペア:

[(1, 64763955), (3, 21587985), (5, 12952791), (9, 7195995), (15, 4317597), (27, 2398665), (45, 1439199), (81, 799555), (135, 479733), (405, 159911)]