1277881029

素因数分解:

$3^4\times {\mathrm{809}}^1\times {\mathrm{19501}}^1$

素因数の和:20322

約数の個数: 20

約数和(自身を含む): 1911391020

約数和(自身を除く): 633509991

約数列:

[1, 3, 9, 27, 81, 809, 2427, 7281, 19501, 21843, 58503, 65529, 175509, 526527, 1579581, 15776309, 47328927, 141986781, 425960343, 1277881029]

約数ペア:

[(1, 1277881029), (3, 425960343), (9, 141986781), (27, 47328927), (81, 15776309), (809, 1579581), (2427, 526527), (7281, 175509), (19501, 65529), (21843, 58503)]