15639057

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 27675648

約数和(自身を除く): 12036591

約数列:

[1, 3, 7, 9, 21, 23, 43, 63, 69, 129, 161, 207, 251, 301, 387, 483, 753, 903, 989, 1449, 1757, 2259, 2709, 2967, 5271, 5773, 6923, 8901, 10793, 15813, 17319, 20769, 32379, 40411, 51957, 62307, 75551, 97137, 121233, 226653, 248239, 363699, 679959, 744717, 1737673, 2234151, 5213019, 15639057]

約数ペア:

[(1, 15639057), (3, 5213019), (7, 2234151), (9, 1737673), (21, 744717), (23, 679959), (43, 363699), (63, 248239), (69, 226653), (129, 121233), (161, 97137), (207, 75551), (251, 62307), (301, 51957), (387, 40411), (483, 32379), (753, 20769), (903, 17319), (989, 15813), (1449, 10793), (1757, 8901), (2259, 6923), (2709, 5773), (2967, 5271)]