20189331

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10837}}^1$

素因数の和:10872

約数の個数: 20

約数和(自身を含む): 31473552

約数和(自身を除く): 11284221

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10837, 32511, 97533, 249251, 292599, 747753, 877797, 2243259, 6729777, 20189331]

約数ペア:

[(1, 20189331), (3, 6729777), (9, 2243259), (23, 877797), (27, 747753), (69, 292599), (81, 249251), (207, 97533), (621, 32511), (1863, 10837)]