221401521

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{673}}^1\times {\mathrm{3323}}^1$

素因数の和:4013

約数の個数: 24

約数和(自身を含む): 349498656

約数和(自身を除く): 128097135

約数列:

[1, 3, 9, 11, 33, 99, 673, 2019, 3323, 6057, 7403, 9969, 22209, 29907, 36553, 66627, 109659, 328977, 2236379, 6709137, 20127411, 24600169, 73800507, 221401521]

約数ペア:

[(1, 221401521), (3, 73800507), (9, 24600169), (11, 20127411), (33, 6709137), (99, 2236379), (673, 328977), (2019, 109659), (3323, 66627), (6057, 36553), (7403, 29907), (9969, 22209)]