81147771

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2801}}^1$

素因数の和:2876

約数の個数: 32

約数和(自身を含む): 127771200

約数和(自身を除く): 46623429

約数列:

[1, 3, 9, 27, 29, 37, 87, 111, 261, 333, 783, 999, 1073, 2801, 3219, 8403, 9657, 25209, 28971, 75627, 81229, 103637, 243687, 310911, 731061, 932733, 2193183, 2798199, 3005473, 9016419, 27049257, 81147771]

約数ペア:

[(1, 81147771), (3, 27049257), (9, 9016419), (27, 3005473), (29, 2798199), (37, 2193183), (87, 932733), (111, 731061), (261, 310911), (333, 243687), (783, 103637), (999, 81229), (1073, 75627), (2801, 28971), (3219, 25209), (8403, 9657)]