87906987

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{10987}}^1$

素因数の和:11127

約数の個数: 24

約数和(自身を含む): 146272256

約数和(自身を除く): 58365269

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 8001, 10987, 32961, 76909, 98883, 230727, 692181, 1395349, 4186047, 9767443, 12558141, 29302329, 87906987]

約数ペア:

[(1, 87906987), (3, 29302329), (7, 12558141), (9, 9767443), (21, 4186047), (63, 1395349), (127, 692181), (381, 230727), (889, 98883), (1143, 76909), (2667, 32961), (8001, 10987)]