2006857215

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{450473}}^1$

素因数の和:450501

約数の個数: 40

約数和(自身を含む): 3924529488

約数和(自身を除く): 1917672273

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 450473, 1351419, 2252365, 4054257, 4955203, 6757095, 12162771, 14865609, 20271285, 24776015, 36488313, 44596827, 60813855, 74328045, 133790481, 182441565, 222984135, 401371443, 668952405, 2006857215]

約数ペア:

[(1, 2006857215), (3, 668952405), (5, 401371443), (9, 222984135), (11, 182441565), (15, 133790481), (27, 74328045), (33, 60813855), (45, 44596827), (55, 36488313), (81, 24776015), (99, 20271285), (135, 14865609), (165, 12162771), (297, 6757095), (405, 4955203), (495, 4054257), (891, 2252365), (1485, 1351419), (4455, 450473)]