28545489

素因数分解:

$3^2\times 7^4\times {\mathrm{1321}}^1$

素因数の和:1355

約数の個数: 30

約数和(自身を含む): 48137986

約数和(自身を除く): 19592497

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 1321, 2401, 3087, 3963, 7203, 9247, 11889, 21609, 27741, 64729, 83223, 194187, 453103, 582561, 1359309, 3171721, 4077927, 9515163, 28545489]

約数ペア:

[(1, 28545489), (3, 9515163), (7, 4077927), (9, 3171721), (21, 1359309), (49, 582561), (63, 453103), (147, 194187), (343, 83223), (441, 64729), (1029, 27741), (1321, 21609), (2401, 11889), (3087, 9247), (3963, 7203)]