2637129

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 3867840

約数和(自身を除く): 1230711

約数列:

[1, 3, 11, 33, 157, 471, 509, 1527, 1727, 5181, 5599, 16797, 79913, 239739, 879043, 2637129]

約数ペア:

[(1, 2637129), (3, 879043), (11, 239739), (33, 79913), (157, 16797), (471, 5599), (509, 5181), (1527, 1727)]