1661544009

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{707341}}^1$

素因数の和:707382

約数の個数: 20

約数和(自身を含む): 2567651460

約数和(自身を除く): 906107451

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 707341, 2122023, 6366069, 19098207, 20512889, 57294621, 61538667, 184616001, 553848003, 1661544009]

約数ペア:

[(1, 1661544009), (3, 553848003), (9, 184616001), (27, 61538667), (29, 57294621), (81, 20512889), (87, 19098207), (261, 6366069), (783, 2122023), (2349, 707341)]