28144341

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{15107}}^1$

素因数の和:15142

約数の個数: 20

約数和(自身を含む): 43873632

約数和(自身を除く): 15729291

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 15107, 45321, 135963, 347461, 407889, 1042383, 1223667, 3127149, 9381447, 28144341]

約数ペア:

[(1, 28144341), (3, 9381447), (9, 3127149), (23, 1223667), (27, 1042383), (69, 407889), (81, 347461), (207, 135963), (621, 45321), (1863, 15107)]