405421857

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{11971}}^1$

素因数の和:12101

約数の個数: 24

約数和(自身を含む): 605112768

約数和(自身を除く): 199690911

約数列:

[1, 3, 9, 53, 71, 159, 213, 477, 639, 3763, 11289, 11971, 33867, 35913, 107739, 634463, 849941, 1903389, 2549823, 5710167, 7649469, 45046873, 135140619, 405421857]

約数ペア:

[(1, 405421857), (3, 135140619), (9, 45046873), (53, 7649469), (71, 5710167), (159, 2549823), (213, 1903389), (477, 849941), (639, 634463), (3763, 107739), (11289, 35913), (11971, 33867)]