208055745

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{51949}}^1$

素因数の和:52049

約数の個数: 24

約数和(自身を含む): 364689000

約数和(自身を除く): 156633255

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 4005, 51949, 155847, 259745, 467541, 779235, 2337705, 4623461, 13870383, 23117305, 41611149, 69351915, 208055745]

約数ペア:

[(1, 208055745), (3, 69351915), (5, 41611149), (9, 23117305), (15, 13870383), (45, 4623461), (89, 2337705), (267, 779235), (445, 467541), (801, 259745), (1335, 155847), (4005, 51949)]