27869905

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 12565295

約数列:

[1, 5, 7, 23, 35, 89, 115, 161, 389, 445, 623, 805, 1945, 2047, 2723, 3115, 8947, 10235, 13615, 14329, 34621, 44735, 62629, 71645, 173105, 242347, 313145, 796283, 1211735, 3981415, 5573981, 27869905]

約数ペア:

[(1, 27869905), (5, 5573981), (7, 3981415), (23, 1211735), (35, 796283), (89, 313145), (115, 242347), (161, 173105), (389, 71645), (445, 62629), (623, 44735), (805, 34621), (1945, 14329), (2047, 13615), (2723, 10235), (3115, 8947)]