81582865

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9437}}^1$

素因数の和:9481

約数の個数: 32

約数和(自身を含む): 126846720

約数和(自身を除く): 45263855

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 8645, 9437, 47185, 66059, 122681, 179303, 330295, 613405, 858767, 896515, 1255121, 2330939, 4293835, 6275605, 11654695, 16316573, 81582865]

約数ペア:

[(1, 81582865), (5, 16316573), (7, 11654695), (13, 6275605), (19, 4293835), (35, 2330939), (65, 1255121), (91, 896515), (95, 858767), (133, 613405), (247, 330295), (455, 179303), (665, 122681), (1235, 66059), (1729, 47185), (8645, 9437)]