2490183

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:516

約数の個数: 20

約数和(自身を含む): 3781008

約数和(自身を除く): 1290825

約数列:

[1, 3, 9, 27, 71, 81, 213, 433, 639, 1299, 1917, 3897, 5751, 11691, 30743, 35073, 92229, 276687, 830061, 2490183]

約数ペア:

[(1, 2490183), (3, 830061), (9, 276687), (27, 92229), (71, 35073), (81, 30743), (213, 11691), (433, 5751), (639, 3897), (1299, 1917)]