66720726

素因数分解:

$2^1\times 3^3\times {\mathrm{1235569}}^1$

素因数の和:1235580

約数の個数: 16

約数和(自身を含む): 148268400

約数和(自身を除く): 81547674

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1235569, 2471138, 3706707, 7413414, 11120121, 22240242, 33360363, 66720726]

約数ペア:

[(1, 66720726), (2, 33360363), (3, 22240242), (6, 11120121), (9, 7413414), (18, 3706707), (27, 2471138), (54, 1235569)]