289256019

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{390359}}^1$

素因数の和:390394

約数の個数: 16

約数和(自身を含む): 437203200

約数和(自身を除く): 147947181

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 390359, 1171077, 5074667, 7416821, 15224001, 22250463, 96418673, 289256019]

約数ペア:

[(1, 289256019), (3, 96418673), (13, 22250463), (19, 15224001), (39, 7416821), (57, 5074667), (247, 1171077), (741, 390359)]