718995609

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{78553}}^1$

素因数の和:78678

約数の個数: 20

約数和(自身を含む): 1083573876

約数和(自身を除く): 364578267

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 3051, 9153, 78553, 235659, 706977, 2120931, 6362793, 8876489, 26629467, 79888401, 239665203, 718995609]

約数ペア:

[(1, 718995609), (3, 239665203), (9, 79888401), (27, 26629467), (81, 8876489), (113, 6362793), (339, 2120931), (1017, 706977), (3051, 235659), (9153, 78553)]