28680075

素因数分解:

$3^5\times 5^2\times {\mathrm{4721}}^1$

素因数の和:4746

約数の個数: 36

約数和(自身を含む): 53283048

約数和(自身を除く): 24602973

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 2025, 4721, 6075, 14163, 23605, 42489, 70815, 118025, 127467, 212445, 354075, 382401, 637335, 1062225, 1147203, 1912005, 3186675, 5736015, 9560025, 28680075]

約数ペア:

[(1, 28680075), (3, 9560025), (5, 5736015), (9, 3186675), (15, 1912005), (25, 1147203), (27, 1062225), (45, 637335), (75, 382401), (81, 354075), (135, 212445), (225, 127467), (243, 118025), (405, 70815), (675, 42489), (1215, 23605), (2025, 14163), (4721, 6075)]