312795

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{331}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 637440

約数和(自身を除く): 324645

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 331, 945, 993, 1655, 2317, 2979, 4965, 6951, 8937, 11585, 14895, 20853, 34755, 44685, 62559, 104265, 312795]

約数ペア:

[(1, 312795), (3, 104265), (5, 62559), (7, 44685), (9, 34755), (15, 20853), (21, 14895), (27, 11585), (35, 8937), (45, 6951), (63, 4965), (105, 2979), (135, 2317), (189, 1655), (315, 993), (331, 945)]