12688731

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 21385728

約数和(自身を除く): 8696997

約数列:

[1, 3, 9, 11, 27, 33, 47, 81, 99, 101, 141, 243, 297, 303, 423, 517, 891, 909, 1111, 1269, 1551, 2673, 2727, 3333, 3807, 4653, 4747, 8181, 9999, 11421, 13959, 14241, 24543, 29997, 41877, 42723, 52217, 89991, 125631, 128169, 156651, 269973, 384507, 469953, 1153521, 1409859, 4229577, 12688731]

約数ペア:

[(1, 12688731), (3, 4229577), (9, 1409859), (11, 1153521), (27, 469953), (33, 384507), (47, 269973), (81, 156651), (99, 128169), (101, 125631), (141, 89991), (243, 52217), (297, 42723), (303, 41877), (423, 29997), (517, 24543), (891, 14241), (909, 13959), (1111, 11421), (1269, 9999), (1551, 8181), (2673, 4747), (2727, 4653), (3333, 3807)]