12578247

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:785

約数の個数: 40

約数和(自身を含む): 21605760

約数和(自身を除く): 9027513

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 297, 513, 627, 743, 891, 1539, 1881, 2229, 5643, 6687, 8173, 14117, 16929, 20061, 24519, 42351, 60183, 73557, 127053, 155287, 220671, 381159, 465861, 662013, 1143477, 1397583, 4192749, 12578247]

約数ペア:

[(1, 12578247), (3, 4192749), (9, 1397583), (11, 1143477), (19, 662013), (27, 465861), (33, 381159), (57, 220671), (81, 155287), (99, 127053), (171, 73557), (209, 60183), (297, 42351), (513, 24519), (627, 20061), (743, 16929), (891, 14117), (1539, 8173), (1881, 6687), (2229, 5643)]