2051091

素因数分解:

$3^2\times 7^2\times {\mathrm{4651}}^1$

素因数の和:4671

約数の個数: 18

約数和(自身を含む): 3447132

約数和(自身を除く): 1396041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4651, 13953, 32557, 41859, 97671, 227899, 293013, 683697, 2051091]

約数ペア:

[(1, 2051091), (3, 683697), (7, 293013), (9, 227899), (21, 97671), (49, 41859), (63, 32557), (147, 13953), (441, 4651)]