289440039

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{475271}}^1$

素因数の和:475310

約数の個数: 16

約数和(自身を含む): 456261120

約数和(自身を除く): 166821081

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 475271, 1425813, 3326897, 9980691, 13782859, 41348577, 96480013, 289440039]

約数ペア:

[(1, 289440039), (3, 96480013), (7, 41348577), (21, 13782859), (29, 9980691), (87, 3326897), (203, 1425813), (609, 475271)]