81921141

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{10193}}^1$

素因数の和:10265

約数の個数: 24

約数和(自身を含む): 127221120

約数和(自身を除く): 45299979

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2679, 8037, 10193, 30579, 91737, 193667, 479071, 581001, 1437213, 1743003, 4311639, 9102349, 27307047, 81921141]

約数ペア:

[(1, 81921141), (3, 27307047), (9, 9102349), (19, 4311639), (47, 1743003), (57, 1437213), (141, 581001), (171, 479071), (423, 193667), (893, 91737), (2679, 30579), (8037, 10193)]