1257996987

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{1194679}}^1$

素因数の和:1194704

約数の個数: 20

約数和(自身を含む): 2023787920

約数和(自身を除く): 765790933

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 1194679, 3584037, 10752111, 15530827, 32256333, 46592481, 96768999, 139777443, 419332329, 1257996987]

約数ペア:

[(1, 1257996987), (3, 419332329), (9, 139777443), (13, 96768999), (27, 46592481), (39, 32256333), (81, 15530827), (117, 10752111), (351, 3584037), (1053, 1194679)]