26778297

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2087}}^1$

素因数の和:2157

約数の個数: 32

約数和(自身を含む): 44900352

約数和(自身を除く): 18122055

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 2087, 4277, 6261, 12831, 14609, 27131, 43827, 81393, 98089, 189917, 294267, 569751, 686623, 1275157, 2059869, 3825471, 8926099, 26778297]

約数ペア:

[(1, 26778297), (3, 8926099), (7, 3825471), (13, 2059869), (21, 1275157), (39, 686623), (47, 569751), (91, 294267), (141, 189917), (273, 98089), (329, 81393), (611, 43827), (987, 27131), (1833, 14609), (2087, 12831), (4277, 6261)]