80877447

素因数分解:

$3^9\times 7^1\times {\mathrm{587}}^1$

素因数の和:621

約数の個数: 40

約数和(自身を含む): 138880896

約数和(自身を除く): 58003449

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 587, 729, 1701, 1761, 2187, 4109, 5103, 5283, 6561, 12327, 15309, 15849, 19683, 36981, 45927, 47547, 110943, 137781, 142641, 332829, 427923, 998487, 1283769, 2995461, 3851307, 8986383, 11553921, 26959149, 80877447]

約数ペア:

[(1, 80877447), (3, 26959149), (7, 11553921), (9, 8986383), (21, 3851307), (27, 2995461), (63, 1283769), (81, 998487), (189, 427923), (243, 332829), (567, 142641), (587, 137781), (729, 110943), (1701, 47547), (1761, 45927), (2187, 36981), (4109, 19683), (5103, 15849), (5283, 15309), (6561, 12327)]