289681245

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{306541}}^1$

素因数の和:306562

約数の個数: 32

約数和(自身を含む): 588560640

約数和(自身を除く): 298879395

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 306541, 919623, 1532705, 2145787, 2758869, 4598115, 6437361, 8276607, 10728935, 13794345, 19312083, 32186805, 41383035, 57936249, 96560415, 289681245]

約数ペア:

[(1, 289681245), (3, 96560415), (5, 57936249), (7, 41383035), (9, 32186805), (15, 19312083), (21, 13794345), (27, 10728935), (35, 8276607), (45, 6437361), (63, 4598115), (105, 2758869), (135, 2145787), (189, 1532705), (315, 919623), (945, 306541)]