1969605

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 3908736

約数和(自身を除く): 1939131

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 45, 55, 69, 99, 115, 165, 173, 207, 253, 345, 495, 519, 759, 865, 1035, 1265, 1557, 1903, 2277, 2595, 3795, 3979, 5709, 7785, 9515, 11385, 11937, 17127, 19895, 28545, 35811, 43769, 59685, 85635, 131307, 179055, 218845, 393921, 656535, 1969605]

約数ペア:

[(1, 1969605), (3, 656535), (5, 393921), (9, 218845), (11, 179055), (15, 131307), (23, 85635), (33, 59685), (45, 43769), (55, 35811), (69, 28545), (99, 19895), (115, 17127), (165, 11937), (173, 11385), (207, 9515), (253, 7785), (345, 5709), (495, 3979), (519, 3795), (759, 2595), (865, 2277), (1035, 1903), (1265, 1557)]