156720321

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{26107}}^1$

素因数の和:26165

約数の個数: 24

約数和(自身を含む): 244370880

約数和(自身を除く): 87650559

約数列:

[1, 3, 9, 23, 29, 69, 87, 207, 261, 667, 2001, 6003, 26107, 78321, 234963, 600461, 757103, 1801383, 2271309, 5404149, 6813927, 17413369, 52240107, 156720321]

約数ペア:

[(1, 156720321), (3, 52240107), (9, 17413369), (23, 6813927), (29, 5404149), (69, 2271309), (87, 1801383), (207, 757103), (261, 600461), (667, 234963), (2001, 78321), (6003, 26107)]