80807517

素因数分解:

$3^3\times 7^2\times {\mathrm{103}}^1\times {\mathrm{593}}^1$

素因数の和:719

約数の個数: 48

約数和(自身を含む): 140849280

約数和(自身を除く): 60041763

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 103, 147, 189, 309, 441, 593, 721, 927, 1323, 1779, 2163, 2781, 4151, 5047, 5337, 6489, 12453, 15141, 16011, 19467, 29057, 37359, 45423, 61079, 87171, 112077, 136269, 183237, 261513, 427553, 549711, 784539, 1282659, 1649133, 2992871, 3847977, 8978613, 11543931, 26935839, 80807517]

約数ペア:

[(1, 80807517), (3, 26935839), (7, 11543931), (9, 8978613), (21, 3847977), (27, 2992871), (49, 1649133), (63, 1282659), (103, 784539), (147, 549711), (189, 427553), (309, 261513), (441, 183237), (593, 136269), (721, 112077), (927, 87171), (1323, 61079), (1779, 45423), (2163, 37359), (2781, 29057), (4151, 19467), (5047, 16011), (5337, 15141), (6489, 12453)]