42015213

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{81901}}^1$

素因数の和:81929

約数の個数: 16

約数和(自身を含む): 65521600

約数和(自身を除く): 23506387

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 81901, 245703, 737109, 1556119, 2211327, 4668357, 14005071, 42015213]

約数ペア:

[(1, 42015213), (3, 14005071), (9, 4668357), (19, 2211327), (27, 1556119), (57, 737109), (171, 245703), (513, 81901)]