1263321

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 2021760

約数和(自身を除く): 758439

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 359, 391, 1077, 1173, 3231, 3519, 6103, 8257, 18309, 24771, 54927, 74313, 140369, 421107, 1263321]

約数ペア:

[(1, 1263321), (3, 421107), (9, 140369), (17, 74313), (23, 54927), (51, 24771), (69, 18309), (153, 8257), (207, 6103), (359, 3519), (391, 3231), (1077, 1173)]