27721071

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15173}}^1$

素因数の和:15215

約数の個数: 24

約数和(自身を含む): 47342880

約数和(自身を除く): 19621809

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 15173, 45519, 106211, 136557, 318633, 440017, 955899, 1320051, 3080119, 3960153, 9240357, 27721071]

約数ペア:

[(1, 27721071), (3, 9240357), (7, 3960153), (9, 3080119), (21, 1320051), (29, 955899), (63, 440017), (87, 318633), (203, 136557), (261, 106211), (609, 45519), (1827, 15173)]