208873281

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{7549}}^1$

素因数の和:7976

約数の個数: 16

約数和(自身を含む): 291369600

約数和(自身を除く): 82496319

約数列:

[1, 3, 23, 69, 401, 1203, 7549, 9223, 22647, 27669, 173627, 520881, 3027149, 9081447, 69624427, 208873281]

約数ペア:

[(1, 208873281), (3, 69624427), (23, 9081447), (69, 3027149), (401, 520881), (1203, 173627), (7549, 27669), (9223, 22647)]