81141571

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{5399}}^1$

素因数の和:5538

約数の個数: 16

約数和(自身を含む): 98496000

約数和(自身を除く): 17354429

約数列:

[1, 7, 19, 113, 133, 791, 2147, 5399, 15029, 37793, 102581, 610087, 718067, 4270609, 11591653, 81141571]

約数ペア:

[(1, 81141571), (7, 11591653), (19, 4270609), (113, 718067), (133, 610087), (791, 102581), (2147, 37793), (5399, 15029)]