213359905

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{352661}}^1$

素因数の和:352688

約数の個数: 12

約数和(自身を含む): 281424276

約数和(自身を除く): 68064371

約数列:

[1, 5, 11, 55, 121, 605, 352661, 1763305, 3879271, 19396355, 42671981, 213359905]

約数ペア:

[(1, 213359905), (5, 42671981), (11, 19396355), (55, 3879271), (121, 1763305), (605, 352661)]