201325315

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 257126400

約数和(自身を除く): 55801085

約数列:

[1, 5, 31, 61, 107, 155, 199, 305, 535, 995, 1891, 3317, 6169, 6527, 9455, 12139, 16585, 21293, 30845, 32635, 60695, 106465, 202337, 376309, 660083, 1011685, 1298873, 1881545, 3300415, 6494365, 40265063, 201325315]

約数ペア:

[(1, 201325315), (5, 40265063), (31, 6494365), (61, 3300415), (107, 1881545), (155, 1298873), (199, 1011685), (305, 660083), (535, 376309), (995, 202337), (1891, 106465), (3317, 60695), (6169, 32635), (6527, 30845), (9455, 21293), (12139, 16585)]