12721553

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:464

約数の個数: 16

約数和(自身を含む): 14439936

約数和(自身を除く): 1718383

約数列:

[1, 13, 23, 157, 271, 299, 2041, 3523, 3611, 6233, 42547, 46943, 81029, 553111, 978581, 12721553]

約数ペア:

[(1, 12721553), (13, 978581), (23, 553111), (157, 81029), (271, 46943), (299, 42547), (2041, 6233), (3523, 3611)]