28471149

素因数分解:

$3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1553}}^1$

素因数の和:1666

約数の個数: 32

約数和(自身を含む): 48733440

約数和(自身を除く): 20262291

約数列:

[1, 3, 7, 9, 21, 27, 63, 97, 189, 291, 679, 873, 1553, 2037, 2619, 4659, 6111, 10871, 13977, 18333, 32613, 41931, 97839, 150641, 293517, 451923, 1054487, 1355769, 3163461, 4067307, 9490383, 28471149]

約数ペア:

[(1, 28471149), (3, 9490383), (7, 4067307), (9, 3163461), (21, 1355769), (27, 1054487), (63, 451923), (97, 293517), (189, 150641), (291, 97839), (679, 41931), (873, 32613), (1553, 18333), (2037, 13977), (2619, 10871), (4659, 6111)]