28519785

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2447}}^1$

素因数の和:2502

約数の個数: 48

約数和(自身を含む): 58046976

約数和(自身を除く): 29527191

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 63, 105, 111, 185, 259, 315, 333, 555, 777, 1295, 1665, 2331, 2447, 3885, 7341, 11655, 12235, 17129, 22023, 36705, 51387, 85645, 90539, 110115, 154161, 256935, 271617, 452695, 633773, 770805, 814851, 1358085, 1901319, 3168865, 4074255, 5703957, 9506595, 28519785]

約数ペア:

[(1, 28519785), (3, 9506595), (5, 5703957), (7, 4074255), (9, 3168865), (15, 1901319), (21, 1358085), (35, 814851), (37, 770805), (45, 633773), (63, 452695), (105, 271617), (111, 256935), (185, 154161), (259, 110115), (315, 90539), (333, 85645), (555, 51387), (777, 36705), (1295, 22023), (1665, 17129), (2331, 12235), (2447, 11655), (3885, 7341)]