28603701

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1753}}^1$

素因数の和:1810

約数の個数: 36

約数和(自身を含む): 49389132

約数和(自身を除く): 20785431

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 441, 777, 1753, 1813, 2331, 5259, 5439, 12271, 15777, 16317, 36813, 64861, 85897, 110439, 194583, 257691, 454027, 583749, 773073, 1362081, 3178189, 4086243, 9534567, 28603701]

約数ペア:

[(1, 28603701), (3, 9534567), (7, 4086243), (9, 3178189), (21, 1362081), (37, 773073), (49, 583749), (63, 454027), (111, 257691), (147, 194583), (259, 110439), (333, 85897), (441, 64861), (777, 36813), (1753, 16317), (1813, 15777), (2331, 12271), (5259, 5439)]