28016793

素因数分解:

$3^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{547}}^1$

素因数の和:834

約数の個数: 32

約数和(自身を含む): 47697920

約数和(自身を除く): 19681127

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 271, 547, 813, 1641, 1897, 2439, 3829, 4923, 5691, 7317, 11487, 14769, 17073, 34461, 51219, 103383, 148237, 444711, 1037659, 1334133, 3112977, 4002399, 9338931, 28016793]

約数ペア:

[(1, 28016793), (3, 9338931), (7, 4002399), (9, 3112977), (21, 1334133), (27, 1037659), (63, 444711), (189, 148237), (271, 103383), (547, 51219), (813, 34461), (1641, 17073), (1897, 14769), (2439, 11487), (3829, 7317), (4923, 5691)]