81402321

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27107}}^1$

素因数の和:27141

約数の個数: 32

約数和(自身を含む): 145732608

約数和(自身を除く): 64330287

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 27107, 81321, 189749, 298177, 352391, 569247, 894531, 1057173, 2087239, 2466737, 3876301, 6261717, 7400211, 11628903, 27134107, 81402321]

約数ペア:

[(1, 81402321), (3, 27134107), (7, 11628903), (11, 7400211), (13, 6261717), (21, 3876301), (33, 2466737), (39, 2087239), (77, 1057173), (91, 894531), (143, 569247), (231, 352391), (273, 298177), (429, 189749), (1001, 81321), (3003, 27107)]