218540973

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{97259}}^1$

素因数の和:97376

約数の個数: 16

約数和(自身を含む): 336130560

約数和(自身を除く): 117589587

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 97259, 291777, 680813, 2042439, 10406713, 31220139, 72846991, 218540973]

約数ペア:

[(1, 218540973), (3, 72846991), (7, 31220139), (21, 10406713), (107, 2042439), (321, 680813), (749, 291777), (2247, 97259)]