27488565

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 55617408

約数和(自身を除く): 28128843

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 65, 69, 81, 115, 117, 135, 195, 207, 227, 299, 345, 351, 405, 585, 621, 681, 897, 1035, 1053, 1135, 1495, 1755, 1863, 2043, 2691, 2951, 3105, 3405, 4485, 5221, 5265, 6129, 8073, 8853, 9315, 10215, 13455, 14755, 15663, 18387, 24219, 26105, 26559, 30645, 40365, 44265, 46989, 67873, 78315, 79677, 91935, 121095, 132795, 140967, 203619, 234945, 239031, 339365, 398385, 422901, 610857, 704835, 1018095, 1195155, 1832571, 2114505, 3054285, 5497713, 9162855, 27488565]

約数ペア:

[(1, 27488565), (3, 9162855), (5, 5497713), (9, 3054285), (13, 2114505), (15, 1832571), (23, 1195155), (27, 1018095), (39, 704835), (45, 610857), (65, 422901), (69, 398385), (81, 339365), (115, 239031), (117, 234945), (135, 203619), (195, 140967), (207, 132795), (227, 121095), (299, 91935), (345, 79677), (351, 78315), (405, 67873), (585, 46989), (621, 44265), (681, 40365), (897, 30645), (1035, 26559), (1053, 26105), (1135, 24219), (1495, 18387), (1755, 15663), (1863, 14755), (2043, 13455), (2691, 10215), (2951, 9315), (3105, 8853), (3405, 8073), (4485, 6129), (5221, 5265)]