81787077

素因数分解:

$3^4\times {\mathrm{19}}^2\times {\mathrm{2797}}^1$

素因数の和:2847

約数の個数: 30

約数和(自身を含む): 128990598

約数和(自身を除く): 47203521

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 361, 513, 1083, 1539, 2797, 3249, 8391, 9747, 25173, 29241, 53143, 75519, 159429, 226557, 478287, 1009717, 1434861, 3029151, 4304583, 9087453, 27262359, 81787077]

約数ペア:

[(1, 81787077), (3, 27262359), (9, 9087453), (19, 4304583), (27, 3029151), (57, 1434861), (81, 1009717), (171, 478287), (361, 226557), (513, 159429), (1083, 75519), (1539, 53143), (2797, 29241), (3249, 25173), (8391, 9747)]