211380421

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{3907}}^1$

素因数の和:4104

約数の個数: 16

約数和(自身を含む): 247610880

約数和(自身を除く): 36230459

約数列:

[1, 7, 59, 131, 413, 917, 3907, 7729, 27349, 54103, 230513, 511817, 1613591, 3582719, 30197203, 211380421]

約数ペア:

[(1, 211380421), (7, 30197203), (59, 3582719), (131, 1613591), (413, 511817), (917, 230513), (3907, 54103), (7729, 27349)]