81551907

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1399}}^1$

素因数の和:1552

約数の個数: 32

約数和(自身を含む): 129024000

約数和(自身を除く): 47472093

約数列:

[1, 3, 9, 17, 27, 51, 127, 153, 381, 459, 1143, 1399, 2159, 3429, 4197, 6477, 12591, 19431, 23783, 37773, 58293, 71349, 177673, 214047, 533019, 642141, 1599057, 3020441, 4797171, 9061323, 27183969, 81551907]

約数ペア:

[(1, 81551907), (3, 27183969), (9, 9061323), (17, 4797171), (27, 3020441), (51, 1599057), (127, 642141), (153, 533019), (381, 214047), (459, 177673), (1143, 71349), (1399, 58293), (2159, 37773), (3429, 23783), (4197, 19431), (6477, 12591)]