28240905

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{499}}^1$

素因数の和:539

約数の個数: 64

約数和(自身を含む): 57600000

約数和(自身を除く): 29359095

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 343, 385, 499, 539, 735, 1029, 1155, 1497, 1617, 1715, 2495, 2695, 3493, 3773, 5145, 5489, 7485, 8085, 10479, 11319, 16467, 17465, 18865, 24451, 27445, 38423, 52395, 56595, 73353, 82335, 115269, 122255, 171157, 192115, 268961, 366765, 513471, 576345, 806883, 855785, 1344805, 1882727, 2567355, 4034415, 5648181, 9413635, 28240905]

約数ペア:

[(1, 28240905), (3, 9413635), (5, 5648181), (7, 4034415), (11, 2567355), (15, 1882727), (21, 1344805), (33, 855785), (35, 806883), (49, 576345), (55, 513471), (77, 366765), (105, 268961), (147, 192115), (165, 171157), (231, 122255), (245, 115269), (343, 82335), (385, 73353), (499, 56595), (539, 52395), (735, 38423), (1029, 27445), (1155, 24451), (1497, 18865), (1617, 17465), (1715, 16467), (2495, 11319), (2695, 10479), (3493, 8085), (3773, 7485), (5145, 5489)]