280414911

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{1609}}^1$

素因数の和:1855

約数の個数: 32

約数和(自身を含む): 439774720

約数和(自身を除く): 159359809

約数列:

[1, 3, 7, 21, 43, 129, 193, 301, 579, 903, 1351, 1609, 4053, 4827, 8299, 11263, 24897, 33789, 58093, 69187, 174279, 207561, 310537, 484309, 931611, 1452927, 2173759, 6521277, 13353091, 40059273, 93471637, 280414911]

約数ペア:

[(1, 280414911), (3, 93471637), (7, 40059273), (21, 13353091), (43, 6521277), (129, 2173759), (193, 1452927), (301, 931611), (579, 484309), (903, 310537), (1351, 207561), (1609, 174279), (4053, 69187), (4827, 58093), (8299, 33789), (11263, 24897)]