8472051

素因数分解:

$3^2\times 7^2\times {\mathrm{19211}}^1$

素因数の和:19231

約数の個数: 18

約数和(自身を含む): 14236092

約数和(自身を除く): 5764041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 19211, 57633, 134477, 172899, 403431, 941339, 1210293, 2824017, 8472051]

約数ペア:

[(1, 8472051), (3, 2824017), (7, 1210293), (9, 941339), (21, 403431), (49, 172899), (63, 134477), (147, 57633), (441, 19211)]