28875285

素因数分解:

$3^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{859}}^1$

素因数の和:959

約数の個数: 40

約数和(自身を含む): 52446240

約数和(自身を除く): 23570955

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 83, 135, 249, 405, 415, 747, 859, 1245, 2241, 2577, 3735, 4295, 6723, 7731, 11205, 12885, 23193, 33615, 38655, 69579, 71297, 115965, 213891, 347895, 356485, 641673, 1069455, 1925019, 3208365, 5775057, 9625095, 28875285]

約数ペア:

[(1, 28875285), (3, 9625095), (5, 5775057), (9, 3208365), (15, 1925019), (27, 1069455), (45, 641673), (81, 356485), (83, 347895), (135, 213891), (249, 115965), (405, 71297), (415, 69579), (747, 38655), (859, 33615), (1245, 23193), (2241, 12885), (2577, 11205), (3735, 7731), (4295, 6723)]