28487355

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1051}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 49486080

約数和(自身を除く): 20998725

約数列:

[1, 3, 5, 13, 15, 39, 65, 139, 195, 417, 695, 1051, 1807, 2085, 3153, 5255, 5421, 9035, 13663, 15765, 27105, 40989, 68315, 146089, 204945, 438267, 730445, 1899157, 2191335, 5697471, 9495785, 28487355]

約数ペア:

[(1, 28487355), (3, 9495785), (5, 5697471), (13, 2191335), (15, 1899157), (39, 730445), (65, 438267), (139, 204945), (195, 146089), (417, 68315), (695, 40989), (1051, 27105), (1807, 15765), (2085, 13663), (3153, 9035), (5255, 5421)]