18051807

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 26171136

約数和(自身を除く): 8119329

約数列:

[1, 3, 17, 47, 51, 141, 289, 443, 799, 867, 1329, 2397, 7531, 13583, 20821, 22593, 40749, 62463, 128027, 353957, 384081, 1061871, 6017269, 18051807]

約数ペア:

[(1, 18051807), (3, 6017269), (17, 1061871), (47, 384081), (51, 353957), (141, 128027), (289, 62463), (443, 40749), (799, 22593), (867, 20821), (1329, 13583), (2397, 7531)]