81051273

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{7879}}^1$

素因数の和:8018

約数の個数: 20

約数和(自身を含む): 122045440

約数和(自身を除く): 40994167

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 3429, 7879, 10287, 23637, 70911, 212733, 638199, 1000633, 3001899, 9005697, 27017091, 81051273]

約数ペア:

[(1, 81051273), (3, 27017091), (9, 9005697), (27, 3001899), (81, 1000633), (127, 638199), (381, 212733), (1143, 70911), (3429, 23637), (7879, 10287)]