31528863

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{821}}^1$

素因数の和:1095

約数の個数: 24

約数和(自身を含む): 48471696

約数和(自身を除く): 16942833

約数列:

[1, 3, 9, 17, 51, 153, 251, 753, 821, 2259, 2463, 4267, 7389, 12801, 13957, 38403, 41871, 125613, 206071, 618213, 1854639, 3503207, 10509621, 31528863]

約数ペア:

[(1, 31528863), (3, 10509621), (9, 3503207), (17, 1854639), (51, 618213), (153, 206071), (251, 125613), (753, 41871), (821, 38403), (2259, 13957), (2463, 12801), (4267, 7389)]