4990131

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{251}}^1$

素因数の和:351

約数の個数: 18

約数和(自身を含む): 7393932

約数和(自身を除く): 2403801

約数列:

[1, 3, 9, 47, 141, 251, 423, 753, 2209, 2259, 6627, 11797, 19881, 35391, 106173, 554459, 1663377, 4990131]

約数ペア:

[(1, 4990131), (3, 1663377), (9, 554459), (47, 106173), (141, 35391), (251, 19881), (423, 11797), (753, 6627), (2209, 2259)]