28415475

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 96

約数和(自身を含む): 58924800

約数和(自身を除く): 30509325

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 43, 45, 55, 75, 89, 99, 129, 135, 165, 215, 225, 267, 275, 297, 387, 445, 473, 495, 645, 675, 801, 825, 979, 1075, 1161, 1335, 1419, 1485, 1935, 2225, 2365, 2403, 2475, 2937, 3225, 3827, 4005, 4257, 4895, 5805, 6675, 7095, 7425, 8811, 9675, 11481, 11825, 12015, 12771, 14685, 19135, 20025, 21285, 24475, 26433, 29025, 34443, 35475, 42097, 44055, 57405, 60075, 63855, 73425, 95675, 103329, 106425, 126291, 132165, 172215, 210485, 220275, 287025, 319275, 378873, 516645, 631455, 660825, 861075, 1052425, 1136619, 1894365, 2583225, 3157275, 5683095, 9471825, 28415475]

約数ペア:

[(1, 28415475), (3, 9471825), (5, 5683095), (9, 3157275), (11, 2583225), (15, 1894365), (25, 1136619), (27, 1052425), (33, 861075), (43, 660825), (45, 631455), (55, 516645), (75, 378873), (89, 319275), (99, 287025), (129, 220275), (135, 210485), (165, 172215), (215, 132165), (225, 126291), (267, 106425), (275, 103329), (297, 95675), (387, 73425), (445, 63855), (473, 60075), (495, 57405), (645, 44055), (675, 42097), (801, 35475), (825, 34443), (979, 29025), (1075, 26433), (1161, 24475), (1335, 21285), (1419, 20025), (1485, 19135), (1935, 14685), (2225, 12771), (2365, 12015), (2403, 11825), (2475, 11481), (2937, 9675), (3225, 8811), (3827, 7425), (4005, 7095), (4257, 6675), (4895, 5805)]