55981323

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{21523}}^1$

素因数の和:21563

約数の個数: 18

約数和(自身を含む): 85902284

約数和(自身を除く): 29920961

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 21523, 64569, 193707, 365891, 1097673, 3293019, 6220147, 18660441, 55981323]

約数ペア:

[(1, 55981323), (3, 18660441), (9, 6220147), (17, 3293019), (51, 1097673), (153, 365891), (289, 193707), (867, 64569), (2601, 21523)]