201212121639

素因数分解:

$3^1\times {\mathrm{307}}^1\times {\mathrm{218471359}}^1$

素因数の和:218471669

約数の個数: 8

約数和(自身を含む): 269156715520

約数和(自身を除く): 67944593881

約数列:

[1, 3, 307, 921, 218471359, 655414077, 67070707213, 201212121639]

約数ペア:

[(1, 201212121639), (3, 67070707213), (307, 655414077), (921, 218471359)]