71839971

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1153}}^1$

素因数の和:1232

約数の個数: 48

約数和(自身を含む): 126736896

約数和(自身を除く): 54896925

約数列:

[1, 3, 7, 9, 21, 23, 43, 63, 69, 129, 161, 207, 301, 387, 483, 903, 989, 1153, 1449, 2709, 2967, 3459, 6923, 8071, 8901, 10377, 20769, 24213, 26519, 49579, 62307, 72639, 79557, 148737, 185633, 238671, 347053, 446211, 556899, 1041159, 1140317, 1670697, 3123477, 3420951, 7982219, 10262853, 23946657, 71839971]

約数ペア:

[(1, 71839971), (3, 23946657), (7, 10262853), (9, 7982219), (21, 3420951), (23, 3123477), (43, 1670697), (63, 1140317), (69, 1041159), (129, 556899), (161, 446211), (207, 347053), (301, 238671), (387, 185633), (483, 148737), (903, 79557), (989, 72639), (1153, 62307), (1449, 49579), (2709, 26519), (2967, 24213), (3459, 20769), (6923, 10377), (8071, 8901)]