137212881

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{74857}}^1$

素因数の和:74920

約数の個数: 16

約数和(自身を含む): 201218304

約数和(自身を除く): 64005423

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 74857, 224571, 973141, 2919423, 3518279, 10554837, 45737627, 137212881]

約数ペア:

[(1, 137212881), (3, 45737627), (13, 10554837), (39, 3518279), (47, 2919423), (141, 973141), (611, 224571), (1833, 74857)]