208711245

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{195973}}^1$

素因数の和:196052

約数の個数: 16

約数和(自身を含む): 338643072

約数和(自身を除く): 129931827

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 195973, 587919, 979865, 2939595, 13914083, 41742249, 69570415, 208711245]

約数ペア:

[(1, 208711245), (3, 69570415), (5, 41742249), (15, 13914083), (71, 2939595), (213, 979865), (355, 587919), (1065, 195973)]