212814963

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{4139}}^1$

素因数の和:4371

約数の個数: 24

約数和(自身を含む): 319690800

約数和(自身を除く): 106875837

約数列:

[1, 3, 9, 29, 87, 197, 261, 591, 1773, 4139, 5713, 12417, 17139, 37251, 51417, 120031, 360093, 815383, 1080279, 2446149, 7338447, 23646107, 70938321, 212814963]

約数ペア:

[(1, 212814963), (3, 70938321), (9, 23646107), (29, 7338447), (87, 2446149), (197, 1080279), (261, 815383), (591, 360093), (1773, 120031), (4139, 51417), (5713, 37251), (12417, 17139)]