191920911

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{16349}}^1$

素因数の和:16415

約数の個数: 32

約数和(自身を含む): 322291200

約数和(自身を除く): 130370289

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 3913, 11739, 16349, 49047, 114443, 212537, 343329, 637611, 703007, 1487759, 2109021, 4463277, 4921049, 9139091, 14763147, 27417273, 63973637, 191920911]

約数ペア:

[(1, 191920911), (3, 63973637), (7, 27417273), (13, 14763147), (21, 9139091), (39, 4921049), (43, 4463277), (91, 2109021), (129, 1487759), (273, 703007), (301, 637611), (559, 343329), (903, 212537), (1677, 114443), (3913, 49047), (11739, 16349)]