68978655

素因数分解:

$3^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{773}}^1$

素因数の和:1448

約数の個数: 32

約数和(自身を含む): 122973120

約数和(自身を除く): 53994465

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 661, 773, 1983, 2319, 3305, 3865, 5949, 6957, 9915, 11595, 17847, 20871, 29745, 34785, 89235, 104355, 510953, 1532859, 2554765, 4598577, 7664295, 13795731, 22992885, 68978655]

約数ペア:

[(1, 68978655), (3, 22992885), (5, 13795731), (9, 7664295), (15, 4598577), (27, 2554765), (45, 1532859), (135, 510953), (661, 104355), (773, 89235), (1983, 34785), (2319, 29745), (3305, 20871), (3865, 17847), (5949, 11595), (6957, 9915)]