28142769

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 41779584

約数和(自身を除く): 13636815

約数列:

[1, 3, 17, 41, 43, 51, 123, 129, 313, 697, 731, 939, 1763, 2091, 2193, 5289, 5321, 12833, 13459, 15963, 29971, 38499, 40377, 89913, 218161, 228803, 551819, 654483, 686409, 1655457, 9380923, 28142769]

約数ペア:

[(1, 28142769), (3, 9380923), (17, 1655457), (41, 686409), (43, 654483), (51, 551819), (123, 228803), (129, 218161), (313, 89913), (697, 40377), (731, 38499), (939, 29971), (1763, 15963), (2091, 13459), (2193, 12833), (5289, 5321)]