31240161

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:467

約数の個数: 40

約数和(自身を含む): 50181120

約数和(自身を除く): 18940959

約数列:

[1, 3, 9, 19, 27, 53, 57, 81, 159, 171, 383, 477, 513, 1007, 1149, 1431, 1539, 3021, 3447, 4293, 7277, 9063, 10341, 20299, 21831, 27189, 31023, 60897, 65493, 81567, 182691, 196479, 385681, 548073, 589437, 1157043, 1644219, 3471129, 10413387, 31240161]

約数ペア:

[(1, 31240161), (3, 10413387), (9, 3471129), (19, 1644219), (27, 1157043), (53, 589437), (57, 548073), (81, 385681), (159, 196479), (171, 182691), (383, 81567), (477, 65493), (513, 60897), (1007, 31023), (1149, 27189), (1431, 21831), (1539, 20299), (3021, 10341), (3447, 9063), (4293, 7277)]