87475905

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 177914880

約数和(自身を除く): 90438975

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 71, 95, 99, 131, 165, 171, 209, 213, 285, 355, 393, 495, 627, 639, 655, 781, 855, 1045, 1065, 1179, 1349, 1441, 1881, 1965, 2343, 2489, 3135, 3195, 3905, 4047, 4323, 5895, 6745, 7029, 7205, 7467, 9301, 9405, 11715, 12141, 12445, 12969, 14839, 20235, 21615, 22401, 27379, 27903, 35145, 37335, 44517, 46505, 60705, 64845, 74195, 82137, 83709, 102311, 112005, 133551, 136895, 139515, 176719, 222585, 246411, 306933, 410685, 418545, 511555, 530157, 667755, 883595, 920799, 1232055, 1534665, 1590471, 1943909, 2650785, 4603995, 5831727, 7952355, 9719545, 17495181, 29158635, 87475905]

約数ペア:

[(1, 87475905), (3, 29158635), (5, 17495181), (9, 9719545), (11, 7952355), (15, 5831727), (19, 4603995), (33, 2650785), (45, 1943909), (55, 1590471), (57, 1534665), (71, 1232055), (95, 920799), (99, 883595), (131, 667755), (165, 530157), (171, 511555), (209, 418545), (213, 410685), (285, 306933), (355, 246411), (393, 222585), (495, 176719), (627, 139515), (639, 136895), (655, 133551), (781, 112005), (855, 102311), (1045, 83709), (1065, 82137), (1179, 74195), (1349, 64845), (1441, 60705), (1881, 46505), (1965, 44517), (2343, 37335), (2489, 35145), (3135, 27903), (3195, 27379), (3905, 22401), (4047, 21615), (4323, 20235), (5895, 14839), (6745, 12969), (7029, 12445), (7205, 12141), (7467, 11715), (9301, 9405)]