1200843

素因数分解:

$3^2\times 7^3\times {\mathrm{389}}^1$

素因数の和:416

約数の個数: 24

約数和(自身を含む): 2028000

約数和(自身を除く): 827157

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 389, 441, 1029, 1167, 2723, 3087, 3501, 8169, 19061, 24507, 57183, 133427, 171549, 400281, 1200843]

約数ペア:

[(1, 1200843), (3, 400281), (7, 171549), (9, 133427), (21, 57183), (49, 24507), (63, 19061), (147, 8169), (343, 3501), (389, 3087), (441, 2723), (1029, 1167)]