2021781321

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1301}}^1\times {\mathrm{1451}}^1$

素因数の和:2782

約数の個数: 48

約数和(自身を含む): 3539023488

約数和(自身を除く): 1517242167

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 1301, 1451, 3903, 4353, 9107, 10157, 11709, 13059, 22117, 24667, 27321, 30471, 66351, 74001, 81963, 91413, 154819, 172669, 199053, 222003, 464457, 518007, 1393371, 1554021, 1887751, 5663253, 13214257, 16989759, 32091767, 39642771, 96275301, 118928313, 224642369, 288825903, 673927107, 2021781321]

約数ペア:

[(1, 2021781321), (3, 673927107), (7, 288825903), (9, 224642369), (17, 118928313), (21, 96275301), (51, 39642771), (63, 32091767), (119, 16989759), (153, 13214257), (357, 5663253), (1071, 1887751), (1301, 1554021), (1451, 1393371), (3903, 518007), (4353, 464457), (9107, 222003), (10157, 199053), (11709, 172669), (13059, 154819), (22117, 91413), (24667, 81963), (27321, 74001), (30471, 66351)]