9807889

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 12496680

約数和(自身を除く): 2688791

約数列:

[1, 7, 13, 49, 89, 91, 173, 623, 637, 1157, 1211, 2249, 4361, 8099, 8477, 15397, 15743, 56693, 107779, 110201, 200161, 754453, 1401127, 9807889]

約数ペア:

[(1, 9807889), (7, 1401127), (13, 754453), (49, 200161), (89, 110201), (91, 107779), (173, 56693), (623, 15743), (637, 15397), (1157, 8477), (1211, 8099), (2249, 4361)]