127945995

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1999}}^1$

素因数の和:2275

約数の個数: 32

約数和(自身を含む): 217728000

約数和(自身を除く): 89782005

約数列:

[1, 3, 5, 15, 17, 51, 85, 251, 255, 753, 1255, 1999, 3765, 4267, 5997, 9995, 12801, 21335, 29985, 33983, 64005, 101949, 169915, 501749, 509745, 1505247, 2508745, 7526235, 8529733, 25589199, 42648665, 127945995]

約数ペア:

[(1, 127945995), (3, 42648665), (5, 25589199), (15, 8529733), (17, 7526235), (51, 2508745), (85, 1505247), (251, 509745), (255, 501749), (753, 169915), (1255, 101949), (1999, 64005), (3765, 33983), (4267, 29985), (5997, 21335), (9995, 12801)]