81315690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{13759}}^1$

素因数の和:13966

約数の個数: 32

約数和(自身を含む): 196162560

約数和(自身を除く): 114846870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 197, 394, 591, 985, 1182, 1970, 2955, 5910, 13759, 27518, 41277, 68795, 82554, 137590, 206385, 412770, 2710523, 5421046, 8131569, 13552615, 16263138, 27105230, 40657845, 81315690]

約数ペア:

[(1, 81315690), (2, 40657845), (3, 27105230), (5, 16263138), (6, 13552615), (10, 8131569), (15, 5421046), (30, 2710523), (197, 412770), (394, 206385), (591, 137590), (985, 82554), (1182, 68795), (1970, 41277), (2955, 27518), (5910, 13759)]