28662249

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{977}}^1$

素因数の和:1125

約数の個数: 32

約数和(自身を含む): 48070656

約数和(自身を除く): 19408407

約数列:

[1, 3, 7, 11, 21, 33, 77, 127, 231, 381, 889, 977, 1397, 2667, 2931, 4191, 6839, 9779, 10747, 20517, 29337, 32241, 75229, 124079, 225687, 372237, 868553, 1364869, 2605659, 4094607, 9554083, 28662249]

約数ペア:

[(1, 28662249), (3, 9554083), (7, 4094607), (11, 2605659), (21, 1364869), (33, 868553), (77, 372237), (127, 225687), (231, 124079), (381, 75229), (889, 32241), (977, 29337), (1397, 20517), (2667, 10747), (2931, 9779), (4191, 6839)]