16985805

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1129}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 29289600

約数和(自身を除く): 12303795

約数列:

[1, 3, 5, 15, 17, 51, 59, 85, 177, 255, 295, 885, 1003, 1129, 3009, 3387, 5015, 5645, 15045, 16935, 19193, 57579, 66611, 95965, 199833, 287895, 333055, 999165, 1132387, 3397161, 5661935, 16985805]

約数ペア:

[(1, 16985805), (3, 5661935), (5, 3397161), (15, 1132387), (17, 999165), (51, 333055), (59, 287895), (85, 199833), (177, 95965), (255, 66611), (295, 57579), (885, 19193), (1003, 16935), (1129, 15045), (3009, 5645), (3387, 5015)]