216406729

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 281088000

約数和(自身を除く): 64681271

約数列:

[1, 7, 11, 29, 77, 199, 203, 319, 487, 1393, 2189, 2233, 3409, 5357, 5771, 14123, 15323, 37499, 40397, 63481, 96913, 98861, 155353, 444367, 678391, 1066043, 1087471, 2810477, 7462301, 19673339, 30915247, 216406729]

約数ペア:

[(1, 216406729), (7, 30915247), (11, 19673339), (29, 7462301), (77, 2810477), (199, 1087471), (203, 1066043), (319, 678391), (487, 444367), (1393, 155353), (2189, 98861), (2233, 96913), (3409, 63481), (5357, 40397), (5771, 37499), (14123, 15323)]