257116275

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9767}}^1$

素因数の和:9802

約数の個数: 60

約数和(自身を含む): 512956752

約数和(自身を除く): 255840477

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 325, 351, 405, 585, 675, 975, 1053, 1755, 2025, 2925, 5265, 8775, 9767, 26325, 29301, 48835, 87903, 126971, 146505, 244175, 263709, 380913, 439515, 634855, 732525, 791127, 1142739, 1318545, 1904565, 2197575, 3174275, 3428217, 3955635, 5713695, 6592725, 9522825, 10284651, 17141085, 19778175, 28568475, 51423255, 85705425, 257116275]

約数ペア:

[(1, 257116275), (3, 85705425), (5, 51423255), (9, 28568475), (13, 19778175), (15, 17141085), (25, 10284651), (27, 9522825), (39, 6592725), (45, 5713695), (65, 3955635), (75, 3428217), (81, 3174275), (117, 2197575), (135, 1904565), (195, 1318545), (225, 1142739), (325, 791127), (351, 732525), (405, 634855), (585, 439515), (675, 380913), (975, 263709), (1053, 244175), (1755, 146505), (2025, 126971), (2925, 87903), (5265, 48835), (8775, 29301), (9767, 26325)]