28578543

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{281}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 45480960

約数和(自身を除く): 16902417

約数列:

[1, 3, 7, 21, 29, 87, 167, 203, 281, 501, 609, 843, 1169, 1967, 3507, 4843, 5901, 8149, 14529, 24447, 33901, 46927, 57043, 101703, 140781, 171129, 328489, 985467, 1360883, 4082649, 9526181, 28578543]

約数ペア:

[(1, 28578543), (3, 9526181), (7, 4082649), (21, 1360883), (29, 985467), (87, 328489), (167, 171129), (203, 140781), (281, 101703), (501, 57043), (609, 46927), (843, 33901), (1169, 24447), (1967, 14529), (3507, 8149), (4843, 5901)]