7644897

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{181}}^1$

素因数の和:238

約数の個数: 36

約数和(自身を含む): 12620244

約数和(自身を除く): 4975347

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 181, 247, 361, 543, 741, 1083, 1629, 2223, 2353, 3249, 3439, 4693, 7059, 10317, 14079, 21177, 30951, 42237, 44707, 65341, 134121, 196023, 402363, 588069, 849433, 2548299, 7644897]

約数ペア:

[(1, 7644897), (3, 2548299), (9, 849433), (13, 588069), (19, 402363), (39, 196023), (57, 134121), (117, 65341), (171, 44707), (181, 42237), (247, 30951), (361, 21177), (543, 14079), (741, 10317), (1083, 7059), (1629, 4693), (2223, 3439), (2353, 3249)]