12945339

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 22014720

約数和(自身を除く): 9069381

約数列:

[1, 3, 9, 11, 27, 29, 33, 81, 87, 99, 167, 243, 261, 297, 319, 501, 783, 891, 957, 1503, 1837, 2349, 2673, 2871, 4509, 4843, 5511, 7047, 8613, 13527, 14529, 16533, 25839, 40581, 43587, 49599, 53273, 77517, 130761, 148797, 159819, 392283, 446391, 479457, 1176849, 1438371, 4315113, 12945339]

約数ペア:

[(1, 12945339), (3, 4315113), (9, 1438371), (11, 1176849), (27, 479457), (29, 446391), (33, 392283), (81, 159819), (87, 148797), (99, 130761), (167, 77517), (243, 53273), (261, 49599), (297, 43587), (319, 40581), (501, 25839), (783, 16533), (891, 14529), (957, 13527), (1503, 8613), (1837, 7047), (2349, 5511), (2673, 4843), (2871, 4509)]