81328275

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{51637}}^1$

素因数の和:51660

約数の個数: 36

約数和(自身を含む): 166480912

約数和(自身を除く): 85152637

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 51637, 154911, 258185, 361459, 464733, 774555, 1084377, 1290925, 1807295, 2323665, 3253131, 3872775, 5421885, 9036475, 11618325, 16265655, 27109425, 81328275]

約数ペア:

[(1, 81328275), (3, 27109425), (5, 16265655), (7, 11618325), (9, 9036475), (15, 5421885), (21, 3872775), (25, 3253131), (35, 2323665), (45, 1807295), (63, 1290925), (75, 1084377), (105, 774555), (175, 464733), (225, 361459), (315, 258185), (525, 154911), (1575, 51637)]