126206865

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2094

約数の個数: 48

約数和(自身を含む): 232128000

約数和(自身を除く): 105921135

約数列:

[1, 3, 5, 9, 15, 23, 45, 61, 69, 115, 183, 207, 305, 345, 549, 915, 1035, 1403, 1999, 2745, 4209, 5997, 7015, 9995, 12627, 17991, 21045, 29985, 45977, 63135, 89955, 121939, 137931, 229885, 365817, 413793, 609695, 689655, 1097451, 1829085, 2068965, 2804597, 5487255, 8413791, 14022985, 25241373, 42068955, 126206865]

約数ペア:

[(1, 126206865), (3, 42068955), (5, 25241373), (9, 14022985), (15, 8413791), (23, 5487255), (45, 2804597), (61, 2068965), (69, 1829085), (115, 1097451), (183, 689655), (207, 609695), (305, 413793), (345, 365817), (549, 229885), (915, 137931), (1035, 121939), (1403, 89955), (1999, 63135), (2745, 45977), (4209, 29985), (5997, 21045), (7015, 17991), (9995, 12627)]