8156781

素因数分解:

$3^6\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:252

約数の個数: 28

約数和(自身を含む): 12486432

約数和(自身を除く): 4329651

約数列:

[1, 3, 9, 27, 67, 81, 167, 201, 243, 501, 603, 729, 1503, 1809, 4509, 5427, 11189, 13527, 16281, 33567, 40581, 48843, 100701, 121743, 302103, 906309, 2718927, 8156781]

約数ペア:

[(1, 8156781), (3, 2718927), (9, 906309), (27, 302103), (67, 121743), (81, 100701), (167, 48843), (201, 40581), (243, 33567), (501, 16281), (603, 13527), (729, 11189), (1503, 5427), (1809, 4509)]