1078889721

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3951977}}^1$

素因数の和:3952000

約数の個数: 16

約数和(自身を含む): 1770486144

約数和(自身を除く): 691596423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 3951977, 11855931, 27663839, 51375701, 82991517, 154127103, 359629907, 1078889721]

約数ペア:

[(1, 1078889721), (3, 359629907), (7, 154127103), (13, 82991517), (21, 51375701), (39, 27663839), (91, 11855931), (273, 3951977)]