212955831

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{19379}}^1$

素因数の和:19436

約数の個数: 32

約数和(自身を含む): 353491200

約数和(自身を除く): 140535369

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 3663, 10989, 19379, 58137, 174411, 213169, 523233, 639507, 717023, 1918521, 2151069, 5755563, 6453207, 7887253, 19359621, 23661759, 70985277, 212955831]

約数ペア:

[(1, 212955831), (3, 70985277), (9, 23661759), (11, 19359621), (27, 7887253), (33, 6453207), (37, 5755563), (99, 2151069), (111, 1918521), (297, 717023), (333, 639507), (407, 523233), (999, 213169), (1221, 174411), (3663, 58137), (10989, 19379)]