27139021

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 36142848

約数和(自身を除く): 9003827

約数列:

[1, 7, 13, 17, 53, 91, 119, 221, 331, 371, 689, 901, 1547, 2317, 4303, 4823, 5627, 6307, 11713, 17543, 30121, 39389, 73151, 81991, 122801, 228059, 298231, 512057, 1596413, 2087617, 3877003, 27139021]

約数ペア:

[(1, 27139021), (7, 3877003), (13, 2087617), (17, 1596413), (53, 512057), (91, 298231), (119, 228059), (221, 122801), (331, 81991), (371, 73151), (689, 39389), (901, 30121), (1547, 17543), (2317, 11713), (4303, 6307), (4823, 5627)]