1284231879

素因数分解:

$3^2\times 7^1\times {\mathrm{1987}}^1\times {\mathrm{10259}}^1$

素因数の和:12259

約数の個数: 24

約数和(自身を含む): 2121275520

約数和(自身を除く): 837043641

約数列:

[1, 3, 7, 9, 21, 63, 1987, 5961, 10259, 13909, 17883, 30777, 41727, 71813, 92331, 125181, 215439, 646317, 20384633, 61153899, 142692431, 183461697, 428077293, 1284231879]

約数ペア:

[(1, 1284231879), (3, 428077293), (7, 183461697), (9, 142692431), (21, 61153899), (63, 20384633), (1987, 646317), (5961, 215439), (10259, 125181), (13909, 92331), (17883, 71813), (30777, 41727)]