299971521

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{469439}}^1$

素因数の和:469516

約数の個数: 12

約数和(自身を含む): 439395840

約数和(自身を除く): 139424319

約数列:

[1, 3, 9, 71, 213, 639, 469439, 1408317, 4224951, 33330169, 99990507, 299971521]

約数ペア:

[(1, 299971521), (3, 99990507), (9, 33330169), (71, 4224951), (213, 1408317), (639, 469439)]