20150739

素因数分解:

$3^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1009}}^1$

素因数の和:1339

約数の個数: 24

約数和(自身を含む): 33402720

約数和(自身を除く): 13251981

約数列:

[1, 3, 7, 9, 21, 63, 317, 951, 1009, 2219, 2853, 3027, 6657, 7063, 9081, 19971, 21189, 63567, 319853, 959559, 2238971, 2878677, 6716913, 20150739]

約数ペア:

[(1, 20150739), (3, 6716913), (7, 2878677), (9, 2238971), (21, 959559), (63, 319853), (317, 63567), (951, 21189), (1009, 19971), (2219, 9081), (2853, 7063), (3027, 6657)]