2807553

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:357

約数の個数: 24

約数和(自身を含む): 4432320

約数和(自身を除く): 1624767

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 269, 497, 807, 1491, 1883, 3479, 5649, 10437, 13181, 19099, 39543, 57297, 133693, 401079, 935851, 2807553]

約数ペア:

[(1, 2807553), (3, 935851), (7, 401079), (21, 133693), (49, 57297), (71, 39543), (147, 19099), (213, 13181), (269, 10437), (497, 5649), (807, 3479), (1491, 1883)]