20143197

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1087}}^1$

素因数の和:1193

約数の個数: 24

約数和(自身を含む): 30551040

約数和(自身を除く): 10407843

約数列:

[1, 3, 9, 29, 71, 87, 213, 261, 639, 1087, 2059, 3261, 6177, 9783, 18531, 31523, 77177, 94569, 231531, 283707, 694593, 2238133, 6714399, 20143197]

約数ペア:

[(1, 20143197), (3, 6714399), (9, 2238133), (29, 694593), (71, 283707), (87, 231531), (213, 94569), (261, 77177), (639, 31523), (1087, 18531), (2059, 9783), (3261, 6177)]