81545643

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{19237}}^1$

素因数の和:19403

約数の個数: 16

約数和(自身を含む): 121584160

約数和(自身を除く): 40038517

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 19237, 57711, 173133, 519399, 3020209, 9060627, 27181881, 81545643]

約数ペア:

[(1, 81545643), (3, 27181881), (9, 9060627), (27, 3020209), (157, 519399), (471, 173133), (1413, 57711), (4239, 19237)]