28406847

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1693}}^1$

素因数の和:1767

約数の個数: 32

約数和(自身を含む): 46835712

約数和(自身を除く): 18428865

約数列:

[1, 3, 7, 17, 21, 47, 51, 119, 141, 329, 357, 799, 987, 1693, 2397, 5079, 5593, 11851, 16779, 28781, 35553, 79571, 86343, 201467, 238713, 556997, 604401, 1352707, 1670991, 4058121, 9468949, 28406847]

約数ペア:

[(1, 28406847), (3, 9468949), (7, 4058121), (17, 1670991), (21, 1352707), (47, 604401), (51, 556997), (119, 238713), (141, 201467), (329, 86343), (357, 79571), (799, 35553), (987, 28781), (1693, 16779), (2397, 11851), (5079, 5593)]