42947253

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{31189}}^1$

素因数の和:31218

約数の個数: 20

約数和(自身を含む): 67931820

約数和(自身を除く): 24984567

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 31189, 93567, 280701, 530213, 842103, 1590639, 2526309, 4771917, 14315751, 42947253]

約数ペア:

[(1, 42947253), (3, 14315751), (9, 4771917), (17, 2526309), (27, 1590639), (51, 842103), (81, 530213), (153, 280701), (459, 93567), (1377, 31189)]