81495477

素因数分解:

$3^4\times 7^2\times {\mathrm{20533}}^1$

素因数の和:20559

約数の個数: 30

約数和(自身を含む): 141622998

約数和(自身を除く): 60127521

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 20533, 61599, 143731, 184797, 431193, 554391, 1006117, 1293579, 1663173, 3018351, 3880737, 9055053, 11642211, 27165159, 81495477]

約数ペア:

[(1, 81495477), (3, 27165159), (7, 11642211), (9, 9055053), (21, 3880737), (27, 3018351), (49, 1663173), (63, 1293579), (81, 1006117), (147, 554391), (189, 431193), (441, 184797), (567, 143731), (1323, 61599), (3969, 20533)]