8320689

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{197}}^1$

素因数の和:254

約数の個数: 36

約数和(自身を含む): 13729716

約数和(自身を除く): 5409027

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 197, 247, 361, 591, 741, 1083, 1773, 2223, 2561, 3249, 3743, 4693, 7683, 11229, 14079, 23049, 33687, 42237, 48659, 71117, 145977, 213351, 437931, 640053, 924521, 2773563, 8320689]

約数ペア:

[(1, 8320689), (3, 2773563), (9, 924521), (13, 640053), (19, 437931), (39, 213351), (57, 145977), (117, 71117), (171, 48659), (197, 42237), (247, 33687), (361, 23049), (591, 14079), (741, 11229), (1083, 7683), (1773, 4693), (2223, 3743), (2561, 3249)]