805779

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 1284192

約数和(自身を除く): 478413

約数列:

[1, 3, 9, 13, 39, 71, 97, 117, 213, 291, 639, 873, 923, 1261, 2769, 3783, 6887, 8307, 11349, 20661, 61983, 89531, 268593, 805779]

約数ペア:

[(1, 805779), (3, 268593), (9, 89531), (13, 61983), (39, 20661), (71, 11349), (97, 8307), (117, 6887), (213, 3783), (291, 2769), (639, 1261), (873, 923)]