197990961

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{159799}}^1$

素因数の和:159868

約数の個数: 16

約数和(自身を含む): 306816000

約数和(自身を除く): 108825039

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 159799, 479397, 1118593, 3355779, 9428141, 28284423, 65996987, 197990961]

約数ペア:

[(1, 197990961), (3, 65996987), (7, 28284423), (21, 9428141), (59, 3355779), (177, 1118593), (413, 479397), (1239, 159799)]