2807091

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2621}}^1$

素因数の和:2651

約数の個数: 24

約数和(自身を含む): 4908384

約数和(自身を除く): 2101293

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 2621, 7863, 18347, 23589, 44557, 55041, 133671, 165123, 311899, 401013, 935697, 2807091]

約数ペア:

[(1, 2807091), (3, 935697), (7, 401013), (9, 311899), (17, 165123), (21, 133671), (51, 55041), (63, 44557), (119, 23589), (153, 18347), (357, 7863), (1071, 2621)]