749203857

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{390821}}^1$

素因数の和:390901

約数の個数: 16

約数和(自身を含む): 1125567360

約数和(自身を除く): 376363503

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 390821, 1172463, 3517389, 10552167, 27748291, 83244873, 249734619, 749203857]

約数ペア:

[(1, 749203857), (3, 249734619), (9, 83244873), (27, 27748291), (71, 10552167), (213, 3517389), (639, 1172463), (1917, 390821)]