18028227

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4229}}^1$

素因数の和:4275

約数の個数: 24

約数和(自身を含む): 28933200

約数和(自身を除く): 10904973

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4229, 4263, 12687, 29603, 88809, 122641, 207221, 367923, 621663, 858487, 2575461, 6009409, 18028227]

約数ペア:

[(1, 18028227), (3, 6009409), (7, 2575461), (21, 858487), (29, 621663), (49, 367923), (87, 207221), (147, 122641), (203, 88809), (609, 29603), (1421, 12687), (4229, 4263)]