12421431

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{1549}}^1$

素因数の和:1578

約数の個数: 28

約数和(自身を含む): 20329800

約数和(自身を除く): 7908369

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 729, 891, 1549, 2673, 4647, 8019, 13941, 17039, 41823, 51117, 125469, 153351, 376407, 460053, 1129221, 1380159, 4140477, 12421431]

約数ペア:

[(1, 12421431), (3, 4140477), (9, 1380159), (11, 1129221), (27, 460053), (33, 376407), (81, 153351), (99, 125469), (243, 51117), (297, 41823), (729, 17039), (891, 13941), (1549, 8019), (2673, 4647)]