12857319

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 20390400

約数和(自身を除く): 7533081

約数列:

[1, 3, 9, 19, 27, 57, 71, 171, 213, 353, 513, 639, 1059, 1349, 1917, 3177, 4047, 6707, 9531, 12141, 20121, 25063, 36423, 60363, 75189, 181089, 225567, 476197, 676701, 1428591, 4285773, 12857319]

約数ペア:

[(1, 12857319), (3, 4285773), (9, 1428591), (19, 676701), (27, 476197), (57, 225567), (71, 181089), (171, 75189), (213, 60363), (353, 36423), (513, 25063), (639, 20121), (1059, 12141), (1349, 9531), (1917, 6707), (3177, 4047)]