78549885

素因数分解:

$3^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1451}}^1$

素因数の和:1866

約数の個数: 32

約数和(自身を含む): 140088960

約数和(自身を除く): 61539075

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 401, 1203, 1451, 2005, 3609, 4353, 6015, 7255, 10827, 13059, 18045, 21765, 39177, 54135, 65295, 195885, 581851, 1745553, 2909255, 5236659, 8727765, 15709977, 26183295, 78549885]

約数ペア:

[(1, 78549885), (3, 26183295), (5, 15709977), (9, 8727765), (15, 5236659), (27, 2909255), (45, 1745553), (135, 581851), (401, 195885), (1203, 65295), (1451, 54135), (2005, 39177), (3609, 21765), (4353, 18045), (6015, 13059), (7255, 10827)]