28214475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{22129}}^1$

素因数の和:22159

約数の個数: 24

約数和(自身を含む): 49394160

約数和(自身を除く): 21179685

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 22129, 66387, 110645, 331935, 376193, 553225, 1128579, 1659675, 1880965, 5642895, 9404825, 28214475]

約数ペア:

[(1, 28214475), (3, 9404825), (5, 5642895), (15, 1880965), (17, 1659675), (25, 1128579), (51, 553225), (75, 376193), (85, 331935), (255, 110645), (425, 66387), (1275, 22129)]