1638631617

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1301}}^1\times {\mathrm{1621}}^1$

素因数の和:2969

約数の個数: 32

約数和(自身を含む): 2568002304

約数和(自身を除く): 929370687

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 1301, 1621, 3903, 4863, 9107, 11347, 27321, 34041, 48137, 59977, 144411, 179931, 336959, 419839, 1010877, 1259517, 2108921, 6326763, 14762447, 44287341, 78030077, 234090231, 546210539, 1638631617]

約数ペア:

[(1, 1638631617), (3, 546210539), (7, 234090231), (21, 78030077), (37, 44287341), (111, 14762447), (259, 6326763), (777, 2108921), (1301, 1259517), (1621, 1010877), (3903, 419839), (4863, 336959), (9107, 179931), (11347, 144411), (27321, 59977), (34041, 48137)]