9189999

素因数分解:

$3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 16744000

約数和(自身を除く): 7554001

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 229, 273, 343, 441, 637, 687, 819, 1029, 1603, 1911, 2061, 2977, 3087, 4459, 4809, 5733, 8931, 11221, 13377, 14427, 20839, 26793, 33663, 40131, 62517, 78547, 100989, 145873, 187551, 235641, 437619, 706923, 1021111, 1312857, 3063333, 9189999]

約数ペア:

[(1, 9189999), (3, 3063333), (7, 1312857), (9, 1021111), (13, 706923), (21, 437619), (39, 235641), (49, 187551), (63, 145873), (91, 100989), (117, 78547), (147, 62517), (229, 40131), (273, 33663), (343, 26793), (441, 20839), (637, 14427), (687, 13377), (819, 11221), (1029, 8931), (1603, 5733), (1911, 4809), (2061, 4459), (2977, 3087)]