131425413

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{329387}}^1$

素因数の和:329416

約数の個数: 16

約数和(自身を含む): 210808320

約数和(自身を除く): 79382907

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 329387, 988161, 2305709, 6258353, 6917127, 18775059, 43808471, 131425413]

約数ペア:

[(1, 131425413), (3, 43808471), (7, 18775059), (19, 6917127), (21, 6258353), (57, 2305709), (133, 988161), (399, 329387)]