28925613

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 44236800

約数和(自身を除く): 15311187

約数列:

[1, 3, 9, 27, 71, 79, 191, 213, 237, 573, 639, 711, 1719, 1917, 2133, 5157, 5609, 13561, 15089, 16827, 40683, 45267, 50481, 122049, 135801, 151443, 366147, 407403, 1071319, 3213957, 9641871, 28925613]

約数ペア:

[(1, 28925613), (3, 9641871), (9, 3213957), (27, 1071319), (71, 407403), (79, 366147), (191, 151443), (213, 135801), (237, 122049), (573, 50481), (639, 45267), (711, 40683), (1719, 16827), (1917, 15089), (2133, 13561), (5157, 5609)]