199903971

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{9437}}^1$

素因数の和:9770

約数の個数: 16

約数和(自身を含む): 279062784

約数和(自身を除く): 79158813

約数列:

[1, 3, 23, 69, 307, 921, 7061, 9437, 21183, 28311, 217051, 651153, 2897159, 8691477, 66634657, 199903971]

約数ペア:

[(1, 199903971), (3, 66634657), (23, 8691477), (69, 2897159), (307, 651153), (921, 217051), (7061, 28311), (9437, 21183)]