13217787

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7027}}^1$

素因数の和:7063

約数の個数: 24

約数和(自身を含む): 21927360

約数和(自身を除く): 8709573

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 7027, 21081, 63243, 77297, 133513, 231891, 400539, 695673, 1201617, 1468643, 4405929, 13217787]

約数ペア:

[(1, 13217787), (3, 4405929), (9, 1468643), (11, 1201617), (19, 695673), (33, 400539), (57, 231891), (99, 133513), (171, 77297), (209, 63243), (627, 21081), (1881, 7027)]