11578221

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 18869760

約数和(自身を除く): 7291539

約数列:

[1, 3, 9, 27, 29, 31, 53, 81, 87, 93, 159, 243, 261, 279, 477, 783, 837, 899, 1431, 1537, 1643, 2349, 2511, 2697, 4293, 4611, 4929, 7047, 7533, 8091, 12879, 13833, 14787, 24273, 41499, 44361, 47647, 72819, 124497, 133083, 142941, 218457, 373491, 399249, 428823, 1286469, 3859407, 11578221]

約数ペア:

[(1, 11578221), (3, 3859407), (9, 1286469), (27, 428823), (29, 399249), (31, 373491), (53, 218457), (81, 142941), (87, 133083), (93, 124497), (159, 72819), (243, 47647), (261, 44361), (279, 41499), (477, 24273), (783, 14787), (837, 13833), (899, 12879), (1431, 8091), (1537, 7533), (1643, 7047), (2349, 4929), (2511, 4611), (2697, 4293)]