28541403

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:437

約数の個数: 40

約数和(自身を含む): 47114496

約数和(自身を除く): 18573093

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 103, 297, 309, 311, 891, 927, 933, 1133, 2781, 2799, 3399, 3421, 8343, 8397, 10197, 10263, 25191, 30591, 30789, 32033, 91773, 92367, 96099, 277101, 288297, 352363, 864891, 1057089, 2594673, 3171267, 9513801, 28541403]

約数ペア:

[(1, 28541403), (3, 9513801), (9, 3171267), (11, 2594673), (27, 1057089), (33, 864891), (81, 352363), (99, 288297), (103, 277101), (297, 96099), (309, 92367), (311, 91773), (891, 32033), (927, 30789), (933, 30591), (1133, 25191), (2781, 10263), (2799, 10197), (3399, 8397), (3421, 8343)]