28057761

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{557}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 42218280

約数和(自身を除く): 14160519

約数列:

[1, 3, 9, 29, 87, 193, 261, 557, 579, 1671, 1737, 5013, 5597, 16153, 16791, 48459, 50373, 107501, 145377, 322503, 967509, 3117529, 9352587, 28057761]

約数ペア:

[(1, 28057761), (3, 9352587), (9, 3117529), (29, 967509), (87, 322503), (193, 145377), (261, 107501), (557, 50373), (579, 48459), (1671, 16791), (1737, 16153), (5013, 5597)]