221427451

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{10103}}^1$

素因数の和:10242

約数の個数: 16

約数和(自身を含む): 263835648

約数和(自身を除く): 42408197

約数列:

[1, 7, 31, 101, 217, 707, 3131, 10103, 21917, 70721, 313193, 1020403, 2192351, 7142821, 31632493, 221427451]

約数ペア:

[(1, 221427451), (7, 31632493), (31, 7142821), (101, 2192351), (217, 1020403), (707, 313193), (3131, 70721), (10103, 21917)]