81539271

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{9467}}^1$

素因数の和:9516

約数の個数: 32

約数和(自身を含む): 136339200

約数和(自身を除く): 54799929

約数列:

[1, 3, 9, 11, 27, 29, 33, 87, 99, 261, 297, 319, 783, 957, 2871, 8613, 9467, 28401, 85203, 104137, 255609, 274543, 312411, 823629, 937233, 2470887, 2811699, 3019973, 7412661, 9059919, 27179757, 81539271]

約数ペア:

[(1, 81539271), (3, 27179757), (9, 9059919), (11, 7412661), (27, 3019973), (29, 2811699), (33, 2470887), (87, 937233), (99, 823629), (261, 312411), (297, 274543), (319, 255609), (783, 104137), (957, 85203), (2871, 28401), (8613, 9467)]