1388781

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:365

約数の個数: 24

約数和(自身を含む): 2204280

約数和(自身を除く): 815499

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 313, 493, 939, 1479, 2817, 4437, 5321, 9077, 15963, 27231, 47889, 81693, 154309, 462927, 1388781]

約数ペア:

[(1, 1388781), (3, 462927), (9, 154309), (17, 81693), (29, 47889), (51, 27231), (87, 15963), (153, 9077), (261, 5321), (313, 4437), (493, 2817), (939, 1479)]