27131841

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{823}}^1$

素因数の和:883

約数の個数: 40

約数和(自身を含む): 45465024

約数和(自身を除く): 18333183

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 297, 333, 407, 823, 891, 999, 1221, 2469, 2997, 3663, 7407, 9053, 10989, 22221, 27159, 30451, 32967, 66663, 81477, 91353, 244431, 274059, 334961, 733293, 822177, 1004883, 2466531, 3014649, 9043947, 27131841]

約数ペア:

[(1, 27131841), (3, 9043947), (9, 3014649), (11, 2466531), (27, 1004883), (33, 822177), (37, 733293), (81, 334961), (99, 274059), (111, 244431), (297, 91353), (333, 81477), (407, 66663), (823, 32967), (891, 30451), (999, 27159), (1221, 22221), (2469, 10989), (2997, 9053), (3663, 7407)]