221591307

素因数分解:

$3^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{15679}}^1$

素因数の和:16362

約数の個数: 16

約数和(自身を含む): 338186240

約数和(自身を除く): 116594933

約数列:

[1, 3, 7, 21, 673, 2019, 4711, 14133, 15679, 47037, 109753, 329259, 10551967, 31655901, 73863769, 221591307]

約数ペア:

[(1, 221591307), (3, 73863769), (7, 31655901), (21, 10551967), (673, 329259), (2019, 109753), (4711, 47037), (14133, 15679)]