19972845

素因数分解:

$3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{751}}^1$

素因数の和:962

約数の個数: 32

約数和(自身を含む): 35735040

約数和(自身を除く): 15762195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 197, 591, 751, 985, 1773, 2253, 2955, 3755, 5319, 6759, 8865, 11265, 20277, 26595, 33795, 101385, 147947, 443841, 739735, 1331523, 2219205, 3994569, 6657615, 19972845]

約数ペア:

[(1, 19972845), (3, 6657615), (5, 3994569), (9, 2219205), (15, 1331523), (27, 739735), (45, 443841), (135, 147947), (197, 101385), (591, 33795), (751, 26595), (985, 20277), (1773, 11265), (2253, 8865), (2955, 6759), (3755, 5319)]