77968863

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{17431}}^1$

素因数の和:17515

約数の個数: 24

約数和(自身を含む): 130530816

約数和(自身を除く): 52561953

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 17431, 52293, 122017, 156879, 366051, 1098153, 1237601, 3712803, 8663207, 11138409, 25989621, 77968863]

約数ペア:

[(1, 77968863), (3, 25989621), (7, 11138409), (9, 8663207), (21, 3712803), (63, 1237601), (71, 1098153), (213, 366051), (497, 156879), (639, 122017), (1491, 52293), (4473, 17431)]