1978005

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{809}}^1$

素因数の和:980

約数の個数: 16

約数和(自身を含む): 3188160

約数和(自身を除く): 1210155

約数列:

[1, 3, 5, 15, 163, 489, 809, 815, 2427, 2445, 4045, 12135, 131867, 395601, 659335, 1978005]

約数ペア:

[(1, 1978005), (3, 659335), (5, 395601), (15, 131867), (163, 12135), (489, 4045), (809, 2445), (815, 2427)]