20131182721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1611397}}^1$

素因数の和:1611472

約数の個数: 12

約数和(自身を含む): 22401654996

約数和(自身を除く): 2270472275

約数列:

[1, 13, 31, 403, 961, 12493, 1611397, 20948161, 49953307, 649392991, 1548552517, 20131182721]

約数ペア:

[(1, 20131182721), (13, 1548552517), (31, 649392991), (403, 49953307), (961, 20948161), (12493, 1611397)]