81261765

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2437}}^1$

素因数の和:2483

約数の個数: 64

約数和(自身を含む): 163833600

約数和(自身を除く): 82571835

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 95, 117, 135, 171, 195, 247, 285, 351, 513, 585, 741, 855, 1235, 1755, 2223, 2437, 2565, 3705, 6669, 7311, 11115, 12185, 21933, 31681, 33345, 36555, 46303, 65799, 95043, 109665, 138909, 158405, 231515, 285129, 328995, 416727, 475215, 601939, 694545, 855387, 1250181, 1425645, 1805817, 2083635, 3009695, 4276935, 5417451, 6250905, 9029085, 16252353, 27087255, 81261765]

約数ペア:

[(1, 81261765), (3, 27087255), (5, 16252353), (9, 9029085), (13, 6250905), (15, 5417451), (19, 4276935), (27, 3009695), (39, 2083635), (45, 1805817), (57, 1425645), (65, 1250181), (95, 855387), (117, 694545), (135, 601939), (171, 475215), (195, 416727), (247, 328995), (285, 285129), (351, 231515), (513, 158405), (585, 138909), (741, 109665), (855, 95043), (1235, 65799), (1755, 46303), (2223, 36555), (2437, 33345), (2565, 31681), (3705, 21933), (6669, 12185), (7311, 11115)]