28798287

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1427}}^1$

素因数の和:1499

約数の個数: 24

約数和(自身を含む): 45376128

約数和(自身を除く): 16577841

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 961, 1427, 2883, 4281, 6727, 9989, 20181, 29967, 44237, 132711, 309659, 928977, 1371347, 4114041, 9599429, 28798287]

約数ペア:

[(1, 28798287), (3, 9599429), (7, 4114041), (21, 1371347), (31, 928977), (93, 309659), (217, 132711), (651, 44237), (961, 29967), (1427, 20181), (2883, 9989), (4281, 6727)]