191866899

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{21397}}^1$

素因数の和:21475

約数の個数: 24

約数和(自身を含む): 302482128

約数和(自身を除く): 110615229

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 2989, 8967, 21397, 64191, 149779, 449337, 1048453, 1305217, 3145359, 3915651, 9136519, 27409557, 63955633, 191866899]

約数ペア:

[(1, 191866899), (3, 63955633), (7, 27409557), (21, 9136519), (49, 3915651), (61, 3145359), (147, 1305217), (183, 1048453), (427, 449337), (1281, 149779), (2989, 64191), (8967, 21397)]