207972921

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{410203}}^1$

素因数の和:410232

約数の個数: 12

約数和(自身を含む): 300269328

約数和(自身を除く): 92296407

約数列:

[1, 3, 13, 39, 169, 507, 410203, 1230609, 5332639, 15997917, 69324307, 207972921]

約数ペア:

[(1, 207972921), (3, 69324307), (13, 15997917), (39, 5332639), (169, 1230609), (507, 410203)]