78668877

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{220361}}^1$

素因数の和:220388

約数の個数: 16

約数和(自身を含む): 126928512

約数和(自身を除く): 48259635

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 220361, 661083, 1542527, 3746137, 4627581, 11238411, 26222959, 78668877]

約数ペア:

[(1, 78668877), (3, 26222959), (7, 11238411), (17, 4627581), (21, 3746137), (51, 1542527), (119, 661083), (357, 220361)]