81625653

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 134671680

約数和(自身を除く): 53046027

約数列:

[1, 3, 9, 17, 19, 43, 51, 57, 129, 153, 171, 323, 387, 653, 731, 817, 969, 1959, 2193, 2451, 2907, 5877, 6579, 7353, 11101, 12407, 13889, 28079, 33303, 37221, 41667, 84237, 99909, 111663, 125001, 210919, 252711, 477343, 533501, 632757, 1432029, 1600503, 1898271, 4296087, 4801509, 9069517, 27208551, 81625653]

約数ペア:

[(1, 81625653), (3, 27208551), (9, 9069517), (17, 4801509), (19, 4296087), (43, 1898271), (51, 1600503), (57, 1432029), (129, 632757), (153, 533501), (171, 477343), (323, 252711), (387, 210919), (653, 125001), (731, 111663), (817, 99909), (969, 84237), (1959, 41667), (2193, 37221), (2451, 33303), (2907, 28079), (5877, 13889), (6579, 12407), (7353, 11101)]