66717567

素因数分解:

$3^3\times 7^2\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 116006400

約数和(自身を除く): 49288833

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 211, 239, 441, 633, 717, 1323, 1477, 1673, 1899, 2151, 4431, 5019, 5697, 6453, 10339, 11711, 13293, 15057, 31017, 35133, 39879, 45171, 50429, 93051, 105399, 151287, 279153, 316197, 353003, 453861, 1059009, 1361583, 2471021, 3177027, 7413063, 9531081, 22239189, 66717567]

約数ペア:

[(1, 66717567), (3, 22239189), (7, 9531081), (9, 7413063), (21, 3177027), (27, 2471021), (49, 1361583), (63, 1059009), (147, 453861), (189, 353003), (211, 316197), (239, 279153), (441, 151287), (633, 105399), (717, 93051), (1323, 50429), (1477, 45171), (1673, 39879), (1899, 35133), (2151, 31017), (4431, 15057), (5019, 13293), (5697, 11711), (6453, 10339)]