121137289

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{18749}}^1$

素因数の和:18840

約数の個数: 16

約数和(自身を含む): 151200000

約数和(自身を除く): 30062711

約数列:

[1, 7, 13, 71, 91, 497, 923, 6461, 18749, 131243, 243737, 1331179, 1706159, 9318253, 17305327, 121137289]

約数ペア:

[(1, 121137289), (7, 17305327), (13, 9318253), (71, 1706159), (91, 1331179), (497, 243737), (923, 131243), (6461, 18749)]