218914863

素因数分解:

$3^1\times {\mathrm{223}}^1\times {\mathrm{337}}^1\times {\mathrm{971}}^1$

素因数の和:1534

約数の個数: 16

約数和(自身を含む): 294368256

約数和(自身を除く): 75453393

約数列:

[1, 3, 223, 337, 669, 971, 1011, 2913, 75151, 216533, 225453, 327227, 649599, 981681, 72971621, 218914863]

約数ペア:

[(1, 218914863), (3, 72971621), (223, 981681), (337, 649599), (669, 327227), (971, 225453), (1011, 216533), (2913, 75151)]