28087785

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{317}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 53576640

約数和(自身を除く): 25488855

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 179, 317, 495, 537, 895, 951, 1585, 1611, 1969, 2685, 2853, 3487, 4755, 5907, 8055, 9845, 10461, 14265, 17435, 17721, 29535, 31383, 52305, 56743, 88605, 156915, 170229, 283715, 510687, 624173, 851145, 1872519, 2553435, 3120865, 5617557, 9362595, 28087785]

約数ペア:

[(1, 28087785), (3, 9362595), (5, 5617557), (9, 3120865), (11, 2553435), (15, 1872519), (33, 851145), (45, 624173), (55, 510687), (99, 283715), (165, 170229), (179, 156915), (317, 88605), (495, 56743), (537, 52305), (895, 31383), (951, 29535), (1585, 17721), (1611, 17435), (1969, 14265), (2685, 10461), (2853, 9845), (3487, 8055), (4755, 5907)]