25529889

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 45527040

約数和(自身を除く): 19997151

約数列:

[1, 3, 7, 11, 21, 29, 33, 37, 77, 87, 103, 111, 203, 231, 259, 309, 319, 407, 609, 721, 777, 957, 1073, 1133, 1221, 2163, 2233, 2849, 2987, 3219, 3399, 3811, 6699, 7511, 7931, 8547, 8961, 11433, 11803, 20909, 22533, 23793, 26677, 32857, 35409, 41921, 62727, 80031, 82621, 98571, 110519, 125763, 229999, 247863, 293447, 331557, 689997, 773633, 880341, 1215709, 2320899, 3647127, 8509963, 25529889]

約数ペア:

[(1, 25529889), (3, 8509963), (7, 3647127), (11, 2320899), (21, 1215709), (29, 880341), (33, 773633), (37, 689997), (77, 331557), (87, 293447), (103, 247863), (111, 229999), (203, 125763), (231, 110519), (259, 98571), (309, 82621), (319, 80031), (407, 62727), (609, 41921), (721, 35409), (777, 32857), (957, 26677), (1073, 23793), (1133, 22533), (1221, 20909), (2163, 11803), (2233, 11433), (2849, 8961), (2987, 8547), (3219, 7931), (3399, 7511), (3811, 6699)]