208209213

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{311}}^1\times {\mathrm{1019}}^1$

素因数の和:1409

約数の個数: 24

約数和(自身を含む): 306146880

約数和(自身を除く): 97937667

約数列:

[1, 3, 9, 73, 219, 311, 657, 933, 1019, 2799, 3057, 9171, 22703, 68109, 74387, 204327, 223161, 316909, 669483, 950727, 2852181, 23134357, 69403071, 208209213]

約数ペア:

[(1, 208209213), (3, 69403071), (9, 23134357), (73, 2852181), (219, 950727), (311, 669483), (657, 316909), (933, 223161), (1019, 204327), (2799, 74387), (3057, 68109), (9171, 22703)]