261360393

素因数分解:

$3^1\times 7^1\times {\mathrm{1669}}^1\times {\mathrm{7457}}^1$

素因数の和:9136

約数の個数: 16

約数和(自身を含む): 398555520

約数和(自身を除く): 137195127

約数列:

[1, 3, 7, 21, 1669, 5007, 7457, 11683, 22371, 35049, 52199, 156597, 12445733, 37337199, 87120131, 261360393]

約数ペア:

[(1, 261360393), (3, 87120131), (7, 37337199), (21, 12445733), (1669, 156597), (5007, 52199), (7457, 35049), (11683, 22371)]