210009429

素因数分解:

$3^4\times 7^1\times {\mathrm{370387}}^1$

素因数の和:370406

約数の個数: 20

約数和(自身を含む): 358535584

約数和(自身を除く): 148526155

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 370387, 1111161, 2592709, 3333483, 7778127, 10000449, 23334381, 30001347, 70003143, 210009429]

約数ペア:

[(1, 210009429), (3, 70003143), (7, 30001347), (9, 23334381), (21, 10000449), (27, 7778127), (63, 3333483), (81, 2592709), (189, 1111161), (567, 370387)]