31801135

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2383}}^1$

素因数の和:2562

約数の個数: 16

約数和(自身を含む): 40680576

約数和(自身を除く): 8879441

約数列:

[1, 5, 17, 85, 157, 785, 2383, 2669, 11915, 13345, 40511, 202555, 374131, 1870655, 6360227, 31801135]

約数ペア:

[(1, 31801135), (5, 6360227), (17, 1870655), (85, 374131), (157, 202555), (785, 40511), (2383, 13345), (2669, 11915)]