87880177

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{3469}}^1$

素因数の和:3541

約数の個数: 24

約数和(自身を含む): 113927040

約数和(自身を除く): 26046863

約数列:

[1, 7, 11, 47, 49, 77, 329, 517, 539, 2303, 3469, 3619, 24283, 25333, 38159, 163043, 169981, 267113, 1141301, 1793473, 1869791, 7989107, 12554311, 87880177]

約数ペア:

[(1, 87880177), (7, 12554311), (11, 7989107), (47, 1869791), (49, 1793473), (77, 1141301), (329, 267113), (517, 169981), (539, 163043), (2303, 38159), (3469, 25333), (3619, 24283)]