289350537

素因数分解:

$3^1\times 7^2\times {\mathrm{751}}^1\times {\mathrm{2621}}^1$

素因数の和:3389

約数の個数: 24

約数和(自身を含む): 449557632

約数和(自身を除く): 160207095

約数列:

[1, 3, 7, 21, 49, 147, 751, 2253, 2621, 5257, 7863, 15771, 18347, 36799, 55041, 110397, 128429, 385287, 1968371, 5905113, 13778597, 41335791, 96450179, 289350537]

約数ペア:

[(1, 289350537), (3, 96450179), (7, 41335791), (21, 13778597), (49, 5905113), (147, 1968371), (751, 385287), (2253, 128429), (2621, 110397), (5257, 55041), (7863, 36799), (15771, 18347)]