28109193

素因数分解:

$3^1\times 7^3\times {\mathrm{59}}^1\times {\mathrm{463}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 44544000

約数和(自身を除く): 16434807

約数列:

[1, 3, 7, 21, 49, 59, 147, 177, 343, 413, 463, 1029, 1239, 1389, 2891, 3241, 8673, 9723, 20237, 22687, 27317, 60711, 68061, 81951, 158809, 191219, 476427, 573657, 1338533, 4015599, 9369731, 28109193]

約数ペア:

[(1, 28109193), (3, 9369731), (7, 4015599), (21, 1338533), (49, 573657), (59, 476427), (147, 191219), (177, 158809), (343, 81951), (413, 68061), (463, 60711), (1029, 27317), (1239, 22687), (1389, 20237), (2891, 9723), (3241, 8673)]