39889857

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{28351}}^1$

素因数の和:28428

約数の個数: 16

約数和(自身を含む): 61693952

約数和(自身を除く): 21804095

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 28351, 85053, 198457, 595371, 1899517, 5698551, 13296619, 39889857]

約数ペア:

[(1, 39889857), (3, 13296619), (7, 5698551), (21, 1899517), (67, 595371), (201, 198457), (469, 85053), (1407, 28351)]