256976469

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{52009}}^1$

素因数の和:52082

約数の個数: 20

約数和(自身を含む): 390179020

約数和(自身を除く): 133202551

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 52009, 156027, 468081, 1404243, 3172549, 4212729, 9517647, 28552941, 85658823, 256976469]

約数ペア:

[(1, 256976469), (3, 85658823), (9, 28552941), (27, 9517647), (61, 4212729), (81, 3172549), (183, 1404243), (549, 468081), (1647, 156027), (4941, 52009)]