51557715

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:262

約数の個数: 80

約数和(自身を含む): 102871296

約数和(自身を除く): 51313581

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 71, 81, 99, 135, 163, 165, 213, 297, 355, 405, 489, 495, 639, 781, 815, 891, 1065, 1467, 1485, 1793, 1917, 2343, 2445, 3195, 3905, 4401, 4455, 5379, 5751, 7029, 7335, 8965, 9585, 11573, 11715, 13203, 16137, 21087, 22005, 26895, 28755, 34719, 35145, 48411, 57865, 63261, 66015, 80685, 104157, 105435, 127303, 145233, 173595, 242055, 312471, 316305, 381909, 520785, 636515, 726165, 937413, 1145727, 1562355, 1909545, 3437181, 4687065, 5728635, 10311543, 17185905, 51557715]

約数ペア:

[(1, 51557715), (3, 17185905), (5, 10311543), (9, 5728635), (11, 4687065), (15, 3437181), (27, 1909545), (33, 1562355), (45, 1145727), (55, 937413), (71, 726165), (81, 636515), (99, 520785), (135, 381909), (163, 316305), (165, 312471), (213, 242055), (297, 173595), (355, 145233), (405, 127303), (489, 105435), (495, 104157), (639, 80685), (781, 66015), (815, 63261), (891, 57865), (1065, 48411), (1467, 35145), (1485, 34719), (1793, 28755), (1917, 26895), (2343, 22005), (2445, 21087), (3195, 16137), (3905, 13203), (4401, 11715), (4455, 11573), (5379, 9585), (5751, 8965), (7029, 7335)]