81749097

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:893

約数の個数: 24

約数和(自身を含む): 120294720

約数和(自身を除く): 38545623

約数列:

[1, 3, 9, 101, 139, 303, 417, 647, 909, 1251, 1941, 5823, 14039, 42117, 65347, 89933, 126351, 196041, 269799, 588123, 809397, 9083233, 27249699, 81749097]

約数ペア:

[(1, 81749097), (3, 27249699), (9, 9083233), (101, 809397), (139, 588123), (303, 269799), (417, 196041), (647, 126351), (909, 89933), (1251, 65347), (1941, 42117), (5823, 14039)]