12868785

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 23474880

約数和(自身を除く): 10606095

約数列:

[1, 3, 5, 9, 15, 37, 45, 59, 111, 131, 177, 185, 295, 333, 393, 531, 555, 655, 885, 1179, 1665, 1965, 2183, 2655, 4847, 5895, 6549, 7729, 10915, 14541, 19647, 23187, 24235, 32745, 38645, 43623, 69561, 72705, 98235, 115935, 218115, 285973, 347805, 857919, 1429865, 2573757, 4289595, 12868785]

約数ペア:

[(1, 12868785), (3, 4289595), (5, 2573757), (9, 1429865), (15, 857919), (37, 347805), (45, 285973), (59, 218115), (111, 115935), (131, 98235), (177, 72705), (185, 69561), (295, 43623), (333, 38645), (393, 32745), (531, 24235), (555, 23187), (655, 19647), (885, 14541), (1179, 10915), (1665, 7729), (1965, 6549), (2183, 5895), (2655, 4847)]