28758873

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1559}}^1$

素因数の和:1629

約数の個数: 32

約数和(自身を含む): 46126080

約数和(自身を除く): 17367207

約数列:

[1, 3, 11, 13, 33, 39, 43, 129, 143, 429, 473, 559, 1419, 1559, 1677, 4677, 6149, 17149, 18447, 20267, 51447, 60801, 67037, 201111, 222937, 668811, 737407, 871481, 2212221, 2614443, 9586291, 28758873]

約数ペア:

[(1, 28758873), (3, 9586291), (11, 2614443), (13, 2212221), (33, 871481), (39, 737407), (43, 668811), (129, 222937), (143, 201111), (429, 67037), (473, 60801), (559, 51447), (1419, 20267), (1559, 18447), (1677, 17149), (4677, 6149)]