1640115

素因数分解:

$3^3\times 5^1\times {\mathrm{12149}}^1$

素因数の和:12163

約数の個数: 16

約数和(自身を含む): 2916000

約数和(自身を除く): 1275885

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 12149, 36447, 60745, 109341, 182235, 328023, 546705, 1640115]

約数ペア:

[(1, 1640115), (3, 546705), (5, 328023), (9, 182235), (15, 109341), (27, 60745), (45, 36447), (135, 12149)]