342405

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{1087}}^1$

素因数の和:1105

約数の個数: 24

約数和(自身を含む): 678912

約数和(自身を除く): 336507

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 1087, 3261, 5435, 7609, 9783, 16305, 22827, 38045, 48915, 68481, 114135, 342405]

約数ペア:

[(1, 342405), (3, 114135), (5, 68481), (7, 48915), (9, 38045), (15, 22827), (21, 16305), (35, 9783), (45, 7609), (63, 5435), (105, 3261), (315, 1087)]