1218891

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 16

約数和(自身を含む): 1702400

約数和(自身を除く): 483509

約数列:

[1, 3, 37, 79, 111, 139, 237, 417, 2923, 5143, 8769, 10981, 15429, 32943, 406297, 1218891]

約数ペア:

[(1, 1218891), (3, 406297), (37, 32943), (79, 15429), (111, 10981), (139, 8769), (237, 5143), (417, 2923)]