80891955

素因数分解:

$3^2\times 5^1\times {\mathrm{599}}^1\times {\mathrm{3001}}^1$

素因数の和:3611

約数の個数: 24

約数和(自身を含む): 140493600

約数和(自身を除く): 59601645

約数列:

[1, 3, 5, 9, 15, 45, 599, 1797, 2995, 3001, 5391, 8985, 9003, 15005, 26955, 27009, 45015, 135045, 1797599, 5392797, 8987995, 16178391, 26963985, 80891955]

約数ペア:

[(1, 80891955), (3, 26963985), (5, 16178391), (9, 8987995), (15, 5392797), (45, 1797599), (599, 135045), (1797, 45015), (2995, 27009), (3001, 26955), (5391, 15005), (8985, 9003)]