28689903

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3331}}^1$

素因数の和:3380

約数の個数: 32

約数和(自身を含む): 47980800

約数和(自身を除く): 19290897

約数列:

[1, 3, 9, 11, 27, 29, 33, 87, 99, 261, 297, 319, 783, 957, 2871, 3331, 8613, 9993, 29979, 36641, 89937, 96599, 109923, 289797, 329769, 869391, 989307, 1062589, 2608173, 3187767, 9563301, 28689903]

約数ペア:

[(1, 28689903), (3, 9563301), (9, 3187767), (11, 2608173), (27, 1062589), (29, 989307), (33, 869391), (87, 329769), (99, 289797), (261, 109923), (297, 96599), (319, 89937), (783, 36641), (957, 29979), (2871, 9993), (3331, 8613)]