28754019

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14723}}^1$

素因数の和:14767

約数の個数: 24

約数和(自身を含む): 49001472

約数和(自身を除く): 20247453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 14723, 44169, 103061, 132507, 309183, 456413, 927549, 1369239, 3194891, 4107717, 9584673, 28754019]

約数ペア:

[(1, 28754019), (3, 9584673), (7, 4107717), (9, 3194891), (21, 1369239), (31, 927549), (63, 456413), (93, 309183), (217, 132507), (279, 103061), (651, 44169), (1953, 14723)]