2978073

素因数分解:

$3^3\times 7^2\times {\mathrm{2251}}^1$

素因数の和:2274

約数の個数: 24

約数和(自身を含む): 5134560

約数和(自身を除く): 2156487

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 2251, 6753, 15757, 20259, 47271, 60777, 110299, 141813, 330897, 425439, 992691, 2978073]

約数ペア:

[(1, 2978073), (3, 992691), (7, 425439), (9, 330897), (21, 141813), (27, 110299), (49, 60777), (63, 47271), (147, 20259), (189, 15757), (441, 6753), (1323, 2251)]