8641809

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 14624064

約数和(自身を除く): 5982255

約数列:

[1, 3, 9, 11, 27, 33, 53, 61, 81, 99, 159, 183, 243, 297, 477, 549, 583, 671, 891, 1431, 1647, 1749, 2013, 2673, 3233, 4293, 4941, 5247, 6039, 9699, 12879, 14823, 15741, 18117, 29097, 35563, 47223, 54351, 87291, 106689, 141669, 163053, 261873, 320067, 785619, 960201, 2880603, 8641809]

約数ペア:

[(1, 8641809), (3, 2880603), (9, 960201), (11, 785619), (27, 320067), (33, 261873), (53, 163053), (61, 141669), (81, 106689), (99, 87291), (159, 54351), (183, 47223), (243, 35563), (297, 29097), (477, 18117), (549, 15741), (583, 14823), (671, 12879), (891, 9699), (1431, 6039), (1647, 5247), (1749, 4941), (2013, 4293), (2673, 3233)]