29988981

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2729}}^1$

素因数の和:2786

約数の個数: 32

約数和(自身を含む): 49795200

約数和(自身を除く): 19806219

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 2729, 3663, 8187, 10989, 24561, 30019, 73683, 90057, 100973, 270171, 302919, 810513, 908757, 1110703, 2726271, 3332109, 9996327, 29988981]

約数ペア:

[(1, 29988981), (3, 9996327), (9, 3332109), (11, 2726271), (27, 1110703), (33, 908757), (37, 810513), (99, 302919), (111, 270171), (297, 100973), (333, 90057), (407, 73683), (999, 30019), (1221, 24561), (2729, 10989), (3663, 8187)]