127740513

素因数分解:

$3^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1\times {\mathrm{653}}^1$

素因数の和:1184

約数の個数: 16

約数和(自身を含む): 171965376

約数和(自身を除く): 44224863

約数列:

[1, 3, 197, 331, 591, 653, 993, 1959, 65207, 128641, 195621, 216143, 385923, 648429, 42580171, 127740513]

約数ペア:

[(1, 127740513), (3, 42580171), (197, 648429), (331, 385923), (591, 216143), (653, 195621), (993, 128641), (1959, 65207)]