28625751

素因数分解:

$3^3\times 7^3\times {\mathrm{11}}^1\times {\mathrm{281}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 54144000

約数和(自身を除く): 25518249

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 147, 189, 231, 281, 297, 343, 441, 539, 693, 843, 1029, 1323, 1617, 1967, 2079, 2529, 3087, 3091, 3773, 4851, 5901, 7587, 9261, 9273, 11319, 13769, 14553, 17703, 21637, 27819, 33957, 41307, 53109, 64911, 83457, 96383, 101871, 123921, 151459, 194733, 289149, 371763, 454377, 584199, 867447, 1060213, 1363131, 2602341, 3180639, 4089393, 9541917, 28625751]

約数ペア:

[(1, 28625751), (3, 9541917), (7, 4089393), (9, 3180639), (11, 2602341), (21, 1363131), (27, 1060213), (33, 867447), (49, 584199), (63, 454377), (77, 371763), (99, 289149), (147, 194733), (189, 151459), (231, 123921), (281, 101871), (297, 96383), (343, 83457), (441, 64911), (539, 53109), (693, 41307), (843, 33957), (1029, 27819), (1323, 21637), (1617, 17703), (1967, 14553), (2079, 13769), (2529, 11319), (3087, 9273), (3091, 9261), (3773, 7587), (4851, 5901)]