289585791

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{7187}}^1$

素因数の和:7252

約数の個数: 36

約数和(自身を含む): 472265976

約数和(自身を除く): 182680185

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 121, 333, 363, 407, 1089, 1221, 3663, 4477, 7187, 13431, 21561, 40293, 64683, 79057, 237171, 265919, 711513, 797757, 869627, 2393271, 2608881, 2925109, 7826643, 8775327, 26325981, 32176199, 96528597, 289585791]

約数ペア:

[(1, 289585791), (3, 96528597), (9, 32176199), (11, 26325981), (33, 8775327), (37, 7826643), (99, 2925109), (111, 2608881), (121, 2393271), (333, 869627), (363, 797757), (407, 711513), (1089, 265919), (1221, 237171), (3663, 79057), (4477, 64683), (7187, 40293), (13431, 21561)]