81874089

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{877}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 138063744

約数和(自身を除く): 56189655

約数列:

[1, 3, 9, 11, 23, 33, 41, 69, 99, 123, 207, 253, 369, 451, 759, 877, 943, 1353, 2277, 2631, 2829, 4059, 7893, 8487, 9647, 10373, 20171, 28941, 31119, 35957, 60513, 86823, 93357, 107871, 181539, 221881, 323613, 395527, 665643, 827011, 1186581, 1996929, 2481033, 3559743, 7443099, 9097121, 27291363, 81874089]

約数ペア:

[(1, 81874089), (3, 27291363), (9, 9097121), (11, 7443099), (23, 3559743), (33, 2481033), (41, 1996929), (69, 1186581), (99, 827011), (123, 665643), (207, 395527), (253, 323613), (369, 221881), (451, 181539), (759, 107871), (877, 93357), (943, 86823), (1353, 60513), (2277, 35957), (2631, 31119), (2829, 28941), (4059, 20171), (7893, 10373), (8487, 9647)]