29151819

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:257

約数の個数: 40

約数和(自身を含む): 45685728

約数和(自身を除く): 16533909

約数列:

[1, 3, 9, 27, 37, 71, 81, 111, 137, 213, 333, 411, 639, 999, 1233, 1917, 2627, 2997, 3699, 5069, 5751, 7881, 9727, 11097, 15207, 23643, 29181, 45621, 70929, 87543, 136863, 212787, 262629, 359899, 410589, 787887, 1079697, 3239091, 9717273, 29151819]

約数ペア:

[(1, 29151819), (3, 9717273), (9, 3239091), (27, 1079697), (37, 787887), (71, 410589), (81, 359899), (111, 262629), (137, 212787), (213, 136863), (333, 87543), (411, 70929), (639, 45621), (999, 29181), (1233, 23643), (1917, 15207), (2627, 11097), (2997, 9727), (3699, 7881), (5069, 5751)]