253141473

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6563}}^1$

素因数の和:6645

約数の個数: 32

約数和(自身を含む): 388168704

約数和(自身を除く): 135027231

約数列:

[1, 3, 13, 23, 39, 43, 69, 129, 299, 559, 897, 989, 1677, 2967, 6563, 12857, 19689, 38571, 85319, 150949, 255957, 282209, 452847, 846627, 1962337, 3668717, 5887011, 6490807, 11006151, 19472421, 84380491, 253141473]

約数ペア:

[(1, 253141473), (3, 84380491), (13, 19472421), (23, 11006151), (39, 6490807), (43, 5887011), (69, 3668717), (129, 1962337), (299, 846627), (559, 452847), (897, 282209), (989, 255957), (1677, 150949), (2967, 85319), (6563, 38571), (12857, 19689)]