71840391

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{33871}}^1$

素因数の和:33982

約数の個数: 16

約数和(自身を含む): 110558208

約数和(自身を除く): 38717817

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 33871, 101613, 237097, 711291, 3420971, 10262913, 23946797, 71840391]

約数ペア:

[(1, 71840391), (3, 23946797), (7, 10262913), (21, 3420971), (101, 711291), (303, 237097), (707, 101613), (2121, 33871)]