68187777

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^2\times {\mathrm{173}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 105274176

約数和(自身を除く): 37086399

約数列:

[1, 3, 7, 21, 137, 173, 411, 519, 959, 1211, 2877, 3633, 18769, 23701, 56307, 71103, 131383, 165907, 394149, 497721, 3247037, 9741111, 22729259, 68187777]

約数ペア:

[(1, 68187777), (3, 22729259), (7, 9741111), (21, 3247037), (137, 497721), (173, 394149), (411, 165907), (519, 131383), (959, 71103), (1211, 56307), (2877, 23701), (3633, 18769)]