418589847

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{275207}}^1$

素因数の和:275239

約数の個数: 18

約数和(自身を含む): 654719832

約数和(自身を除く): 236129985

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 275207, 825621, 2476863, 3577691, 10733073, 32199219, 46509983, 139529949, 418589847]

約数ペア:

[(1, 418589847), (3, 139529949), (9, 46509983), (13, 32199219), (39, 10733073), (117, 3577691), (169, 2476863), (507, 825621), (1521, 275207)]