31205163

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 48234240

約数和(自身を除く): 17029077

約数列:

[1, 3, 11, 19, 33, 57, 157, 209, 317, 471, 627, 951, 1727, 2983, 3487, 5181, 6023, 8949, 10461, 18069, 32813, 49769, 66253, 98439, 149307, 198759, 547459, 945611, 1642377, 2836833, 10401721, 31205163]

約数ペア:

[(1, 31205163), (3, 10401721), (11, 2836833), (19, 1642377), (33, 945611), (57, 547459), (157, 198759), (209, 149307), (317, 98439), (471, 66253), (627, 49769), (951, 32813), (1727, 18069), (2983, 10461), (3487, 8949), (5181, 6023)]