39894057

素因数分解:

$3^2\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1109}}^1$

素因数の和:1693

約数の個数: 24

約数和(自身を含む): 66031680

約数和(自身を除く): 26137623

約数列:

[1, 3, 7, 9, 21, 63, 571, 1109, 1713, 3327, 3997, 5139, 7763, 9981, 11991, 23289, 35973, 69867, 633239, 1899717, 4432673, 5699151, 13298019, 39894057]

約数ペア:

[(1, 39894057), (3, 13298019), (7, 5699151), (9, 4432673), (21, 1899717), (63, 633239), (571, 69867), (1109, 35973), (1713, 23289), (3327, 11991), (3997, 9981), (5139, 7763)]