4090685781

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{20611}}^1$

素因数の和:21361

約数の個数: 32

約数和(自身を含む): 6722480128

約数和(自身を除く): 2631794347

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 727, 2181, 5089, 9451, 15267, 20611, 28353, 61833, 66157, 144277, 198471, 267943, 432831, 803829, 1875601, 5626803, 14984197, 44952591, 104889379, 194794561, 314668137, 584383683, 1363561927, 4090685781]

約数ペア:

[(1, 4090685781), (3, 1363561927), (7, 584383683), (13, 314668137), (21, 194794561), (39, 104889379), (91, 44952591), (273, 14984197), (727, 5626803), (2181, 1875601), (5089, 803829), (9451, 432831), (15267, 267943), (20611, 198471), (28353, 144277), (61833, 66157)]