40456989

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{10627}}^1$

素因数の和:10686

約数の個数: 20

約数和(自身を含む): 61727424

約数和(自身を除く): 21270435

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 10627, 31881, 95643, 286929, 499469, 860787, 1498407, 4495221, 13485663, 40456989]

約数ペア:

[(1, 40456989), (3, 13485663), (9, 4495221), (27, 1498407), (47, 860787), (81, 499469), (141, 286929), (423, 95643), (1269, 31881), (3807, 10627)]