28213623

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 43200000

約数和(自身を除く): 14986377

約数列:

[1, 3, 9, 27, 59, 89, 177, 199, 267, 531, 597, 801, 1593, 1791, 2403, 5251, 5373, 11741, 15753, 17711, 35223, 47259, 53133, 105669, 141777, 159399, 317007, 478197, 1044949, 3134847, 9404541, 28213623]

約数ペア:

[(1, 28213623), (3, 9404541), (9, 3134847), (27, 1044949), (59, 478197), (89, 317007), (177, 159399), (199, 141777), (267, 105669), (531, 53133), (597, 47259), (801, 35223), (1593, 17711), (1791, 15753), (2403, 11741), (5251, 5373)]