17960745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{547}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 31564800

約数和(自身を除く): 13604055

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 199, 547, 597, 995, 1641, 2189, 2735, 2985, 6017, 6567, 8205, 10945, 18051, 30085, 32835, 90255, 108853, 326559, 544265, 1197383, 1632795, 3592149, 5986915, 17960745]

約数ペア:

[(1, 17960745), (3, 5986915), (5, 3592149), (11, 1632795), (15, 1197383), (33, 544265), (55, 326559), (165, 108853), (199, 90255), (547, 32835), (597, 30085), (995, 18051), (1641, 10945), (2189, 8205), (2735, 6567), (2985, 6017)]