731564289

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{82189}}^1$

素因数の和:82261

約数の個数: 24

約数和(自身を含む): 1128304320

約数和(自身を除く): 396740031

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2967, 8901, 82189, 246567, 739701, 1890347, 3534127, 5671041, 10602381, 17013123, 31807143, 81284921, 243854763, 731564289]

約数ペア:

[(1, 731564289), (3, 243854763), (9, 81284921), (23, 31807143), (43, 17013123), (69, 10602381), (129, 5671041), (207, 3534127), (387, 1890347), (989, 739701), (2967, 246567), (8901, 82189)]