81619041

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{607}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 131522560

約数和(自身を除く): 49903519

約数列:

[1, 3, 7, 19, 21, 57, 133, 337, 399, 607, 1011, 1821, 2359, 4249, 6403, 7077, 11533, 12747, 19209, 34599, 44821, 80731, 134463, 204559, 242193, 613677, 1431913, 3886621, 4295739, 11659863, 27206347, 81619041]

約数ペア:

[(1, 81619041), (3, 27206347), (7, 11659863), (19, 4295739), (21, 3886621), (57, 1431913), (133, 613677), (337, 242193), (399, 204559), (607, 134463), (1011, 80731), (1821, 44821), (2359, 34599), (4249, 19209), (6403, 12747), (7077, 11533)]