12685977

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{8243}}^1$

素因数の和:8274

約数の個数: 20

約数和(自身を含む): 19950480

約数和(自身を除く): 7264503

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 8243, 24729, 74187, 156617, 222561, 469851, 667683, 1409553, 4228659, 12685977]

約数ペア:

[(1, 12685977), (3, 4228659), (9, 1409553), (19, 667683), (27, 469851), (57, 222561), (81, 156617), (171, 74187), (513, 24729), (1539, 8243)]