78147999

素因数分解:

$3^2\times {\mathrm{179}}^2\times {\mathrm{271}}^1$

素因数の和:635

約数の個数: 18

約数和(自身を含む): 113933456

約数和(自身を除く): 35785457

約数列:

[1, 3, 9, 179, 271, 537, 813, 1611, 2439, 32041, 48509, 96123, 145527, 288369, 436581, 8683111, 26049333, 78147999]

約数ペア:

[(1, 78147999), (3, 26049333), (9, 8683111), (179, 436581), (271, 288369), (537, 145527), (813, 96123), (1611, 48509), (2439, 32041)]