280339911

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{4373}}^1$

素因数の和:4815

約数の個数: 24

約数和(自身を含む): 429876720

約数和(自身を除く): 149536809

約数列:

[1, 3, 9, 17, 51, 153, 419, 1257, 3771, 4373, 7123, 13119, 21369, 39357, 64107, 74341, 223023, 669069, 1832287, 5496861, 16490583, 31148879, 93446637, 280339911]

約数ペア:

[(1, 280339911), (3, 93446637), (9, 31148879), (17, 16490583), (51, 5496861), (153, 1832287), (419, 669069), (1257, 223023), (3771, 74341), (4373, 64107), (7123, 39357), (13119, 21369)]