209230973

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1\times {\mathrm{569}}^1$

素因数の和:1108

約数の個数: 16

約数和(自身を含む): 241971840

約数和(自身を除く): 32740867

約数列:

[1, 7, 131, 401, 569, 917, 2807, 3983, 52531, 74539, 228169, 367717, 521773, 1597183, 29890139, 209230973]

約数ペア:

[(1, 209230973), (7, 29890139), (131, 1597183), (401, 521773), (569, 367717), (917, 228169), (2807, 74539), (3983, 52531)]