39843657

素因数分解:

$3^4\times 7^1\times {\mathrm{70271}}^1$

素因数の和:70290

約数の個数: 20

約数和(自身を含む): 68023296

約数和(自身を除く): 28179639

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 70271, 210813, 491897, 632439, 1475691, 1897317, 4427073, 5691951, 13281219, 39843657]

約数ペア:

[(1, 39843657), (3, 13281219), (7, 5691951), (9, 4427073), (21, 1897317), (27, 1475691), (63, 632439), (81, 491897), (189, 210813), (567, 70271)]