72164763

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 60

約数和(自身を含む): 122306800

約数和(自身を除く): 50142037

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 121, 199, 297, 333, 363, 407, 597, 891, 999, 1089, 1221, 1791, 2189, 2997, 3267, 3663, 4477, 5373, 6567, 7363, 9801, 10989, 13431, 16119, 19701, 22089, 24079, 32967, 40293, 59103, 66267, 72237, 80993, 120879, 177309, 198801, 216711, 242979, 362637, 596403, 650133, 728937, 890923, 1950399, 2186811, 2672769, 6560433, 8018307, 24054921, 72164763]

約数ペア:

[(1, 72164763), (3, 24054921), (9, 8018307), (11, 6560433), (27, 2672769), (33, 2186811), (37, 1950399), (81, 890923), (99, 728937), (111, 650133), (121, 596403), (199, 362637), (297, 242979), (333, 216711), (363, 198801), (407, 177309), (597, 120879), (891, 80993), (999, 72237), (1089, 66267), (1221, 59103), (1791, 40293), (2189, 32967), (2997, 24079), (3267, 22089), (3663, 19701), (4477, 16119), (5373, 13431), (6567, 10989), (7363, 9801)]