128811201

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 184135680

約数和(自身を除く): 55324479

約数列:

[1, 3, 23, 69, 73, 107, 219, 239, 321, 717, 1679, 2461, 5037, 5497, 7383, 7811, 16491, 17447, 23433, 25573, 52341, 76719, 179653, 401281, 538959, 588179, 1203843, 1764537, 1866829, 5600487, 42937067, 128811201]

約数ペア:

[(1, 128811201), (3, 42937067), (23, 5600487), (69, 1866829), (73, 1764537), (107, 1203843), (219, 588179), (239, 538959), (321, 401281), (717, 179653), (1679, 76719), (2461, 52341), (5037, 25573), (5497, 23433), (7383, 17447), (7811, 16491)]