87972495

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 158578560

約数和(自身を除く): 70606065

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 89, 111, 137, 185, 195, 267, 411, 445, 481, 555, 685, 1157, 1335, 1443, 1781, 2055, 2405, 3293, 3471, 5069, 5343, 5785, 7215, 8905, 9879, 12193, 15207, 16465, 17355, 25345, 26715, 36579, 42809, 49395, 60965, 65897, 76035, 128427, 158509, 182895, 197691, 214045, 329485, 451141, 475527, 642135, 792545, 988455, 1353423, 2255705, 2377635, 5864833, 6767115, 17594499, 29324165, 87972495]

約数ペア:

[(1, 87972495), (3, 29324165), (5, 17594499), (13, 6767115), (15, 5864833), (37, 2377635), (39, 2255705), (65, 1353423), (89, 988455), (111, 792545), (137, 642135), (185, 475527), (195, 451141), (267, 329485), (411, 214045), (445, 197691), (481, 182895), (555, 158509), (685, 128427), (1157, 76035), (1335, 65897), (1443, 60965), (1781, 49395), (2055, 42809), (2405, 36579), (3293, 26715), (3471, 25345), (5069, 17355), (5343, 16465), (5785, 15207), (7215, 12193), (8905, 9879)]