291213954

素因数分解:

$2^1\times 3^4\times {\mathrm{1797617}}^1$

素因数の和:1797631

約数の個数: 20

約数和(自身を含む): 652535334

約数和(自身を除く): 361321380

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1797617, 3595234, 5392851, 10785702, 16178553, 32357106, 48535659, 97071318, 145606977, 291213954]

約数ペア:

[(1, 291213954), (2, 145606977), (3, 97071318), (6, 48535659), (9, 32357106), (18, 16178553), (27, 10785702), (54, 5392851), (81, 3595234), (162, 1797617)]