20181427155

素因数分解:

$3^3\times 5^1\times {\mathrm{4337}}^1\times {\mathrm{34469}}^1$

素因数の和:38820

約数の個数: 32

約数和(自身を含む): 35887406400

約数和(自身を除く): 15705979245

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 4337, 13011, 21685, 34469, 39033, 65055, 103407, 117099, 172345, 195165, 310221, 517035, 585495, 930663, 1551105, 4653315, 149492053, 448476159, 747460265, 1345428477, 2242380795, 4036285431, 6727142385, 20181427155]

約数ペア:

[(1, 20181427155), (3, 6727142385), (5, 4036285431), (9, 2242380795), (15, 1345428477), (27, 747460265), (45, 448476159), (135, 149492053), (4337, 4653315), (13011, 1551105), (21685, 930663), (34469, 585495), (39033, 517035), (65055, 310221), (103407, 195165), (117099, 172345)]