2219553

素因数分解:

$3^2\times 7^3\times {\mathrm{719}}^1$

素因数の和:746

約数の個数: 24

約数和(自身を含む): 3744000

約数和(自身を除く): 1524447

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 719, 1029, 2157, 3087, 5033, 6471, 15099, 35231, 45297, 105693, 246617, 317079, 739851, 2219553]

約数ペア:

[(1, 2219553), (3, 739851), (7, 317079), (9, 246617), (21, 105693), (49, 45297), (63, 35231), (147, 15099), (343, 6471), (441, 5033), (719, 3087), (1029, 2157)]