81286443

素因数分解:

$3^3\times 7^2\times {\mathrm{61441}}^1$

素因数の和:61464

約数の個数: 24

約数和(自身を含む): 140087760

約数和(自身を除く): 58801317

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 61441, 184323, 430087, 552969, 1290261, 1658907, 3010609, 3870783, 9031827, 11612349, 27095481, 81286443]

約数ペア:

[(1, 81286443), (3, 27095481), (7, 11612349), (9, 9031827), (21, 3870783), (27, 3010609), (49, 1658907), (63, 1290261), (147, 552969), (189, 430087), (441, 184323), (1323, 61441)]