31272731

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 37674720

約数和(自身を除く): 6401989

約数列:

[1, 7, 49, 71, 89, 101, 497, 623, 707, 3479, 4361, 4949, 6319, 7171, 8989, 44233, 50197, 62923, 309631, 351379, 440461, 638219, 4467533, 31272731]

約数ペア:

[(1, 31272731), (7, 4467533), (49, 638219), (71, 440461), (89, 351379), (101, 309631), (497, 62923), (623, 50197), (707, 44233), (3479, 8989), (4361, 7171), (4949, 6319)]