201907809

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{15877}}^1$

素因数の和:16046

約数の個数: 20

約数和(自身を含む): 303555604

約数和(自身を除く): 101647795

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 12717, 15877, 47631, 142893, 428679, 1286037, 2492689, 7478067, 22434201, 67302603, 201907809]

約数ペア:

[(1, 201907809), (3, 67302603), (9, 22434201), (27, 7478067), (81, 2492689), (157, 1286037), (471, 428679), (1413, 142893), (4239, 47631), (12717, 15877)]