28341981

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{2671}}^1$

素因数の和:2814

約数の個数: 20

約数和(自身を含む): 42677184

約数和(自身を除く): 14335203

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 2671, 3537, 8013, 10611, 24039, 72117, 216351, 349901, 1049703, 3149109, 9447327, 28341981]

約数ペア:

[(1, 28341981), (3, 9447327), (9, 3149109), (27, 1049703), (81, 349901), (131, 216351), (393, 72117), (1179, 24039), (2671, 10611), (3537, 8013)]