66975489

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{13457}}^1$

素因数の和:13549

約数の個数: 24

約数和(自身を含む): 111970560

約数和(自身を除く): 44995071

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4977, 13457, 40371, 94199, 121113, 282597, 847791, 1063103, 3189309, 7441721, 9567927, 22325163, 66975489]

約数ペア:

[(1, 66975489), (3, 22325163), (7, 9567927), (9, 7441721), (21, 3189309), (63, 1063103), (79, 847791), (237, 282597), (553, 121113), (711, 94199), (1659, 40371), (4977, 13457)]