221243279

素因数分解:

${\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{1531}}^1$

素因数の和:1718

約数の個数: 16

約数和(自身を含む): 237080064

約数和(自身を除く): 15836785

約数列:

[1, 23, 61, 103, 1403, 1531, 2369, 6283, 35213, 93391, 144509, 157693, 2147993, 3626939, 9619273, 221243279]

約数ペア:

[(1, 221243279), (23, 9619273), (61, 3626939), (103, 2147993), (1403, 157693), (1531, 144509), (2369, 93391), (6283, 35213)]