254705919

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 372503040

約数和(自身を除く): 117797121

約数列:

[1, 3, 13, 39, 103, 163, 309, 389, 489, 1167, 1339, 2119, 4017, 5057, 6357, 15171, 16789, 40067, 50367, 63407, 120201, 190221, 218257, 520871, 654771, 824291, 1562613, 2472873, 6530921, 19592763, 84901973, 254705919]

約数ペア:

[(1, 254705919), (3, 84901973), (13, 19592763), (39, 6530921), (103, 2472873), (163, 1562613), (309, 824291), (389, 654771), (489, 520871), (1167, 218257), (1339, 190221), (2119, 120201), (4017, 63407), (5057, 50367), (6357, 40067), (15171, 16789)]