80027595

素因数分解:

$3^4\times 5^1\times {\mathrm{197599}}^1$

素因数の和:197616

約数の個数: 20

約数和(自身を含む): 143457600

約数和(自身を除く): 63430005

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 197599, 592797, 987995, 1778391, 2963985, 5335173, 8891955, 16005519, 26675865, 80027595]

約数ペア:

[(1, 80027595), (3, 26675865), (5, 16005519), (9, 8891955), (15, 5335173), (27, 2963985), (45, 1778391), (81, 987995), (135, 592797), (405, 197599)]