2021981169

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1672441}}^1$

素因数の和:1672488

約数の個数: 16

約数和(自身を含む): 2997016064

約数和(自身を除く): 975034895

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 1672441, 5017323, 21741733, 51845671, 65225199, 155537013, 673993723, 2021981169]

約数ペア:

[(1, 2021981169), (3, 673993723), (13, 155537013), (31, 65225199), (39, 51845671), (93, 21741733), (403, 5017323), (1209, 1672441)]