25732791

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 46949760

約数和(自身を除く): 21216969

約数列:

[1, 3, 7, 9, 21, 23, 43, 49, 59, 63, 69, 129, 147, 161, 177, 207, 301, 387, 413, 441, 483, 531, 903, 989, 1127, 1239, 1357, 1449, 2107, 2537, 2709, 2891, 2967, 3381, 3717, 4071, 6321, 6923, 7611, 8673, 8901, 9499, 10143, 12213, 17759, 18963, 20769, 22833, 26019, 28497, 48461, 53277, 58351, 62307, 66493, 85491, 124313, 145383, 159831, 175053, 199479, 372939, 408457, 436149, 525159, 598437, 1118817, 1225371, 2859199, 3676113, 8577597, 25732791]

約数ペア:

[(1, 25732791), (3, 8577597), (7, 3676113), (9, 2859199), (21, 1225371), (23, 1118817), (43, 598437), (49, 525159), (59, 436149), (63, 408457), (69, 372939), (129, 199479), (147, 175053), (161, 159831), (177, 145383), (207, 124313), (301, 85491), (387, 66493), (413, 62307), (441, 58351), (483, 53277), (531, 48461), (903, 28497), (989, 26019), (1127, 22833), (1239, 20769), (1357, 18963), (1449, 17759), (2107, 12213), (2537, 10143), (2709, 9499), (2891, 8901), (2967, 8673), (3381, 7611), (3717, 6923), (4071, 6321)]