20171618991

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1721}}^1\times {\mathrm{76607}}^1$

素因数の和:78351

約数の個数: 24

約数和(自身を含む): 30869040384

約数和(自身を除く): 10697421393

約数列:

[1, 3, 9, 17, 51, 153, 1721, 5163, 15489, 29257, 76607, 87771, 229821, 263313, 689463, 1302319, 3906957, 11720871, 131840647, 395521941, 1186565823, 2241290999, 6723872997, 20171618991]

約数ペア:

[(1, 20171618991), (3, 6723872997), (9, 2241290999), (17, 1186565823), (51, 395521941), (153, 131840647), (1721, 11720871), (5163, 3906957), (15489, 1302319), (29257, 689463), (76607, 263313), (87771, 229821)]