28975023

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{181}}^1$

素因数の和:226

約数の個数: 72

約数和(自身を含む): 55189680

約数和(自身を除く): 26214657

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 121, 147, 181, 189, 231, 297, 363, 441, 539, 543, 693, 847, 1089, 1267, 1323, 1617, 1629, 1991, 2079, 2541, 3267, 3801, 4851, 4887, 5929, 5973, 7623, 8869, 11403, 13937, 14553, 17787, 17919, 21901, 22869, 26607, 34209, 41811, 53361, 53757, 65703, 79821, 97559, 125433, 153307, 160083, 197109, 239463, 292677, 376299, 459921, 591327, 878031, 1073149, 1379763, 2634093, 3219447, 4139289, 9658341, 28975023]

約数ペア:

[(1, 28975023), (3, 9658341), (7, 4139289), (9, 3219447), (11, 2634093), (21, 1379763), (27, 1073149), (33, 878031), (49, 591327), (63, 459921), (77, 376299), (99, 292677), (121, 239463), (147, 197109), (181, 160083), (189, 153307), (231, 125433), (297, 97559), (363, 79821), (441, 65703), (539, 53757), (543, 53361), (693, 41811), (847, 34209), (1089, 26607), (1267, 22869), (1323, 21901), (1617, 17919), (1629, 17787), (1991, 14553), (2079, 13937), (2541, 11403), (3267, 8869), (3801, 7623), (4851, 5973), (4887, 5929)]