28236789

素因数分解:

$3^3\times 7^3\times {\mathrm{3049}}^1$

素因数の和:3079

約数の個数: 32

約数和(自身を含む): 48800000

約数和(自身を除く): 20563211

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 3049, 3087, 9147, 9261, 21343, 27441, 64029, 82323, 149401, 192087, 448203, 576261, 1045807, 1344609, 3137421, 4033827, 9412263, 28236789]

約数ペア:

[(1, 28236789), (3, 9412263), (7, 4033827), (9, 3137421), (21, 1344609), (27, 1045807), (49, 576261), (63, 448203), (147, 192087), (189, 149401), (343, 82323), (441, 64029), (1029, 27441), (1323, 21343), (3049, 9261), (3087, 9147)]