77882721

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{20719}}^1$

素因数の和:20908

約数の個数: 16

約数和(自身を含む): 119347200

約数和(自身を除く): 41464479

約数列:

[1, 3, 7, 21, 179, 537, 1253, 3759, 20719, 62157, 145033, 435099, 3708701, 11126103, 25960907, 77882721]

約数ペア:

[(1, 77882721), (3, 25960907), (7, 11126103), (21, 3708701), (179, 435099), (537, 145033), (1253, 62157), (3759, 20719)]