68788575

素因数分解:

$3^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1009}}^1$

素因数の和:1129

約数の個数: 48

約数和(自身を含む): 127744800

約数和(自身を除く): 58956225

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 101, 135, 225, 303, 505, 675, 909, 1009, 1515, 2525, 2727, 3027, 4545, 5045, 7575, 9081, 13635, 15135, 22725, 25225, 27243, 45405, 68175, 75675, 101909, 136215, 227025, 305727, 509545, 681075, 917181, 1528635, 2547725, 2751543, 4585905, 7643175, 13757715, 22929525, 68788575]

約数ペア:

[(1, 68788575), (3, 22929525), (5, 13757715), (9, 7643175), (15, 4585905), (25, 2751543), (27, 2547725), (45, 1528635), (75, 917181), (101, 681075), (135, 509545), (225, 305727), (303, 227025), (505, 136215), (675, 101909), (909, 75675), (1009, 68175), (1515, 45405), (2525, 27243), (2727, 25225), (3027, 22725), (4545, 15135), (5045, 13635), (7575, 9081)]