54069687

素因数分解:

$3^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 99590400

約数和(自身を除く): 45520713

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 81, 133, 147, 171, 189, 239, 243, 399, 441, 513, 567, 717, 931, 1197, 1323, 1539, 1673, 1701, 2151, 2793, 3591, 3969, 4541, 4617, 5019, 6453, 8379, 10773, 11711, 11907, 13623, 15057, 19359, 25137, 31787, 32319, 35133, 40869, 45171, 58077, 75411, 95361, 105399, 122607, 135513, 222509, 226233, 286083, 316197, 367821, 406539, 667527, 858249, 948591, 1103463, 2002581, 2574747, 2845773, 6007743, 7724241, 18023229, 54069687]

約数ペア:

[(1, 54069687), (3, 18023229), (7, 7724241), (9, 6007743), (19, 2845773), (21, 2574747), (27, 2002581), (49, 1103463), (57, 948591), (63, 858249), (81, 667527), (133, 406539), (147, 367821), (171, 316197), (189, 286083), (239, 226233), (243, 222509), (399, 135513), (441, 122607), (513, 105399), (567, 95361), (717, 75411), (931, 58077), (1197, 45171), (1323, 40869), (1539, 35133), (1673, 32319), (1701, 31787), (2151, 25137), (2793, 19359), (3591, 15057), (3969, 13623), (4541, 11907), (4617, 11711), (5019, 10773), (6453, 8379)]