8507421

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 14414400

約数和(自身を除く): 5906979

約数列:

[1, 3, 9, 13, 19, 39, 43, 57, 89, 117, 129, 171, 247, 267, 387, 559, 741, 801, 817, 1157, 1677, 1691, 2223, 2451, 3471, 3827, 5031, 5073, 7353, 10413, 10621, 11481, 15219, 21983, 31863, 34443, 49751, 65949, 72713, 95589, 149253, 197847, 218139, 447759, 654417, 945269, 2835807, 8507421]

約数ペア:

[(1, 8507421), (3, 2835807), (9, 945269), (13, 654417), (19, 447759), (39, 218139), (43, 197847), (57, 149253), (89, 95589), (117, 72713), (129, 65949), (171, 49751), (247, 34443), (267, 31863), (387, 21983), (559, 15219), (741, 11481), (801, 10621), (817, 10413), (1157, 7353), (1677, 5073), (1691, 5031), (2223, 3827), (2451, 3471)]