2005025565

素因数分解:

$3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{641}}^1\times {\mathrm{1381}}^1$

素因数の和:2181

約数の個数: 32

約数和(自身を含む): 3236666112

約数和(自身を除く): 1231640547

約数列:

[1, 3, 5, 15, 151, 453, 641, 755, 1381, 1923, 2265, 3205, 4143, 6905, 9615, 20715, 96791, 208531, 290373, 483955, 625593, 885221, 1042655, 1451865, 2655663, 3127965, 4426105, 13278315, 133668371, 401005113, 668341855, 2005025565]

約数ペア:

[(1, 2005025565), (3, 668341855), (5, 401005113), (15, 133668371), (151, 13278315), (453, 4426105), (641, 3127965), (755, 2655663), (1381, 1451865), (1923, 1042655), (2265, 885221), (3205, 625593), (4143, 483955), (6905, 290373), (9615, 208531), (20715, 96791)]