417702987

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{396679}}^1$

素因数の和:396704

約数の個数: 20

約数和(自身を含む): 671975920

約数和(自身を除く): 254272933

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 396679, 1190037, 3570111, 5156827, 10710333, 15470481, 32130999, 46411443, 139234329, 417702987]

約数ペア:

[(1, 417702987), (3, 139234329), (9, 46411443), (13, 32130999), (27, 15470481), (39, 10710333), (81, 5156827), (117, 3570111), (351, 1190037), (1053, 396679)]