221008179

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{14051}}^1$

素因数の和:14175

約数の個数: 24

約数和(自身を含む): 346016448

約数和(自身を除く): 125008269

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 2247, 5243, 14051, 15729, 42153, 98357, 295071, 688499, 1503457, 2065497, 4510371, 10524199, 31572597, 73669393, 221008179]

約数ペア:

[(1, 221008179), (3, 73669393), (7, 31572597), (21, 10524199), (49, 4510371), (107, 2065497), (147, 1503457), (321, 688499), (749, 295071), (2247, 98357), (5243, 42153), (14051, 15729)]