77779521

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{50539}}^1$

素因数の和:50570

約数の個数: 20

約数和(自身を含む): 122306800

約数和(自身を除く): 44527279

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 50539, 151617, 454851, 960241, 1364553, 2880723, 4093659, 8642169, 25926507, 77779521]

約数ペア:

[(1, 77779521), (3, 25926507), (9, 8642169), (19, 4093659), (27, 2880723), (57, 1364553), (81, 960241), (171, 454851), (513, 151617), (1539, 50539)]