15075207

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 26691840

約数和(自身を除く): 11616633

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 83, 93, 189, 217, 249, 279, 581, 651, 747, 837, 961, 1743, 1953, 2241, 2573, 2883, 5229, 5859, 6727, 7719, 8649, 15687, 18011, 20181, 23157, 25947, 54033, 60543, 69471, 79763, 162099, 181629, 239289, 486297, 558341, 717867, 1675023, 2153601, 5025069, 15075207]

約数ペア:

[(1, 15075207), (3, 5025069), (7, 2153601), (9, 1675023), (21, 717867), (27, 558341), (31, 486297), (63, 239289), (83, 181629), (93, 162099), (189, 79763), (217, 69471), (249, 60543), (279, 54033), (581, 25947), (651, 23157), (747, 20181), (837, 18011), (961, 15687), (1743, 8649), (1953, 7719), (2241, 6727), (2573, 5859), (2883, 5229)]