66676851

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{3203}}^1$

素因数の和:3472

約数の個数: 20

約数和(自身を含む): 100022472

約数和(自身を除く): 33345621

約数列:

[1, 3, 9, 27, 81, 257, 771, 2313, 3203, 6939, 9609, 20817, 28827, 86481, 259443, 823171, 2469513, 7408539, 22225617, 66676851]

約数ペア:

[(1, 66676851), (3, 22225617), (9, 7408539), (27, 2469513), (81, 823171), (257, 259443), (771, 86481), (2313, 28827), (3203, 20817), (6939, 9609)]