5391981

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 9338880

約数和(自身を除く): 3946899

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 607, 987, 1269, 1821, 2961, 4249, 5463, 8883, 12747, 16389, 28529, 38241, 85587, 114723, 199703, 256761, 599109, 770283, 1797327, 5391981]

約数ペア:

[(1, 5391981), (3, 1797327), (7, 770283), (9, 599109), (21, 256761), (27, 199703), (47, 114723), (63, 85587), (141, 38241), (189, 28529), (329, 16389), (423, 12747), (607, 8883), (987, 5463), (1269, 4249), (1821, 2961)]