201721437

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{3547}}^1$

素因数の和:3713

約数の個数: 24

約数和(自身を含む): 298883520

約数和(自身を除く): 97162083

約数列:

[1, 3, 9, 71, 89, 213, 267, 639, 801, 3547, 6319, 10641, 18957, 31923, 56871, 251837, 315683, 755511, 947049, 2266533, 2841147, 22413493, 67240479, 201721437]

約数ペア:

[(1, 201721437), (3, 67240479), (9, 22413493), (71, 2841147), (89, 2266533), (213, 947049), (267, 755511), (639, 315683), (801, 251837), (3547, 56871), (6319, 31923), (10641, 18957)]