57481245

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1999}}^1$

素因数の和:2087

約数の個数: 40

約数和(自身を含む): 104544000

約数和(自身を除く): 47062755

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1917, 1999, 3195, 5751, 5997, 9585, 9995, 17991, 28755, 29985, 53973, 89955, 141929, 161919, 269865, 425787, 709645, 809595, 1277361, 2128935, 3832083, 6386805, 11496249, 19160415, 57481245]

約数ペア:

[(1, 57481245), (3, 19160415), (5, 11496249), (9, 6386805), (15, 3832083), (27, 2128935), (45, 1277361), (71, 809595), (81, 709645), (135, 425787), (213, 269865), (355, 161919), (405, 141929), (639, 89955), (1065, 53973), (1917, 29985), (1999, 28755), (3195, 17991), (5751, 9995), (5997, 9585)]