81683049

素因数分解:

$3^1\times 7^3\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 128051200

約数和(自身を除く): 46368151

約数列:

[1, 3, 7, 21, 49, 147, 163, 343, 487, 489, 1029, 1141, 1461, 3409, 3423, 7987, 10227, 23863, 23961, 55909, 71589, 79381, 167041, 167727, 238143, 501123, 555667, 1667001, 3889669, 11669007, 27227683, 81683049]

約数ペア:

[(1, 81683049), (3, 27227683), (7, 11669007), (21, 3889669), (49, 1667001), (147, 555667), (163, 501123), (343, 238143), (487, 167727), (489, 167041), (1029, 79381), (1141, 71589), (1461, 55909), (3409, 23961), (3423, 23863), (7987, 10227)]