399333039

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{267829}}^1$

素因数の和:267910

約数の個数: 16

約数和(自身を含む): 617080320

約数和(自身を除く): 217747281

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 267829, 803487, 1874803, 5624409, 19015859, 57047577, 133111013, 399333039]

約数ペア:

[(1, 399333039), (3, 133111013), (7, 57047577), (21, 19015859), (71, 5624409), (213, 1874803), (497, 803487), (1491, 267829)]