9780651

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:375

約数の個数: 24

約数和(自身を含む): 14643200

約数和(自身を除く): 4862549

約数列:

[1, 3, 9, 43, 127, 129, 199, 381, 387, 597, 1143, 1791, 5461, 8557, 16383, 25273, 25671, 49149, 75819, 77013, 227457, 1086739, 3260217, 9780651]

約数ペア:

[(1, 9780651), (3, 3260217), (9, 1086739), (43, 227457), (127, 77013), (129, 75819), (199, 49149), (381, 25671), (387, 25273), (597, 16383), (1143, 8557), (1791, 5461)]