208344639

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 300231360

約数和(自身を除く): 91886721

約数列:

[1, 3, 17, 51, 89, 197, 233, 267, 591, 699, 1513, 3349, 3961, 4539, 10047, 11883, 17533, 20737, 45901, 52599, 62211, 137703, 298061, 352529, 780317, 894183, 1057587, 2340951, 4085189, 12255567, 69448213, 208344639]

約数ペア:

[(1, 208344639), (3, 69448213), (17, 12255567), (51, 4085189), (89, 2340951), (197, 1057587), (233, 894183), (267, 780317), (591, 352529), (699, 298061), (1513, 137703), (3349, 62211), (3961, 52599), (4539, 45901), (10047, 20737), (11883, 17533)]