31766319

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15971}}^1$

素因数の和:16007

約数の個数: 24

約数和(自身を含む): 52324272

約数和(自身を除く): 20557953

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 15971, 47913, 143739, 207623, 271507, 622869, 814521, 1868607, 2443563, 3529591, 10588773, 31766319]

約数ペア:

[(1, 31766319), (3, 10588773), (9, 3529591), (13, 2443563), (17, 1868607), (39, 814521), (51, 622869), (117, 271507), (153, 207623), (221, 143739), (663, 47913), (1989, 15971)]