81497169

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 131843712

約数和(自身を除く): 50346543

約数列:

[1, 3, 9, 13, 39, 43, 97, 117, 129, 167, 291, 387, 501, 559, 873, 1261, 1503, 1677, 2171, 3783, 4171, 5031, 6513, 7181, 11349, 12513, 16199, 19539, 21543, 37539, 48597, 54223, 64629, 93353, 145791, 162669, 210587, 280059, 488007, 631761, 696557, 840177, 1895283, 2089671, 6269013, 9055241, 27165723, 81497169]

約数ペア:

[(1, 81497169), (3, 27165723), (9, 9055241), (13, 6269013), (39, 2089671), (43, 1895283), (97, 840177), (117, 696557), (129, 631761), (167, 488007), (291, 280059), (387, 210587), (501, 162669), (559, 145791), (873, 93353), (1261, 64629), (1503, 54223), (1677, 48597), (2171, 37539), (3783, 21543), (4171, 19539), (5031, 16199), (6513, 12513), (7181, 11349)]