51180213

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 80742400

約数和(自身を除く): 29562187

約数列:

[1, 3, 7, 21, 37, 111, 199, 259, 331, 597, 777, 993, 1393, 2317, 4179, 6951, 7363, 12247, 22089, 36741, 51541, 65869, 85729, 154623, 197607, 257187, 461083, 1383249, 2437153, 7311459, 17060071, 51180213]

約数ペア:

[(1, 51180213), (3, 17060071), (7, 7311459), (21, 2437153), (37, 1383249), (111, 461083), (199, 257187), (259, 197607), (331, 154623), (597, 85729), (777, 65869), (993, 51541), (1393, 36741), (2317, 22089), (4179, 12247), (6951, 7363)]