18571815

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2927}}^1$

素因数の和:2988

約数の個数: 32

約数和(自身を含む): 33730560

約数和(自身を除く): 15158745

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 2927, 6345, 8781, 14635, 26343, 43905, 79029, 131715, 137569, 395145, 412707, 687845, 1238121, 2063535, 3714363, 6190605, 18571815]

約数ペア:

[(1, 18571815), (3, 6190605), (5, 3714363), (9, 2063535), (15, 1238121), (27, 687845), (45, 412707), (47, 395145), (135, 137569), (141, 131715), (235, 79029), (423, 43905), (705, 26343), (1269, 14635), (2115, 8781), (2927, 6345)]