1780496921

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{880127}}^1$

素因数の和:880168

約数の個数: 12

約数和(自身を含む): 2161594368

約数和(自身を除く): 381097447

約数列:

[1, 7, 17, 119, 289, 2023, 880127, 6160889, 14962159, 104735113, 254356703, 1780496921]

約数ペア:

[(1, 1780496921), (7, 254356703), (17, 104735113), (119, 14962159), (289, 6160889), (2023, 880127)]