13003221

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{311}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 21805056

約数和(自身を除く): 8801835

約数列:

[1, 3, 7, 11, 21, 33, 77, 181, 231, 311, 543, 933, 1267, 1991, 2177, 3421, 3801, 5973, 6531, 10263, 13937, 23947, 41811, 56291, 71841, 168873, 394037, 619201, 1182111, 1857603, 4334407, 13003221]

約数ペア:

[(1, 13003221), (3, 4334407), (7, 1857603), (11, 1182111), (21, 619201), (33, 394037), (77, 168873), (181, 71841), (231, 56291), (311, 41811), (543, 23947), (933, 13937), (1267, 10263), (1991, 6531), (2177, 5973), (3421, 3801)]