12561289

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1056

約数の個数: 16

約数和(自身を含む): 14458752

約数和(自身を除く): 1897463

約数列:

[1, 13, 23, 43, 299, 559, 977, 989, 12701, 12857, 22471, 42011, 292123, 546143, 966253, 12561289]

約数ペア:

[(1, 12561289), (13, 966253), (23, 546143), (43, 292123), (299, 42011), (559, 22471), (977, 12857), (989, 12701)]