42068955

素因数分解:

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

素因数の和:2091

約数の個数: 32

約数和(自身を含む): 71424000

約数和(自身を除く): 29355045

約数列:

[1, 3, 5, 15, 23, 61, 69, 115, 183, 305, 345, 915, 1403, 1999, 4209, 5997, 7015, 9995, 21045, 29985, 45977, 121939, 137931, 229885, 365817, 609695, 689655, 1829085, 2804597, 8413791, 14022985, 42068955]

約数ペア:

[(1, 42068955), (3, 14022985), (5, 8413791), (15, 2804597), (23, 1829085), (61, 689655), (69, 609695), (115, 365817), (183, 229885), (305, 137931), (345, 121939), (915, 45977), (1403, 29985), (1999, 21045), (4209, 9995), (5997, 7015)]