1042389

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{757}}^1$

素因数の和:786

約数の個数: 20

約数和(自身を含む): 1650924

約数和(自身を除く): 608535

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 757, 1377, 2271, 6813, 12869, 20439, 38607, 61317, 115821, 347463, 1042389]

約数ペア:

[(1, 1042389), (3, 347463), (9, 115821), (17, 61317), (27, 38607), (51, 20439), (81, 12869), (153, 6813), (459, 2271), (757, 1377)]