389664015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1998277}}^1$

素因数の和:1998298

約数の個数: 16

約数和(自身を含む): 671421408

約数和(自身を除く): 281757393

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1998277, 5994831, 9991385, 25977601, 29974155, 77932803, 129888005, 389664015]

約数ペア:

[(1, 389664015), (3, 129888005), (5, 77932803), (13, 29974155), (15, 25977601), (39, 9991385), (65, 5994831), (195, 1998277)]