28450197

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 46230912

約数和(自身を除く): 17780715

約数列:

[1, 3, 9, 17, 27, 51, 71, 81, 97, 153, 213, 243, 291, 459, 639, 873, 1207, 1377, 1649, 1917, 2619, 3621, 4131, 4947, 5751, 6887, 7857, 10863, 14841, 17253, 20661, 23571, 32589, 44523, 61983, 97767, 117079, 133569, 185949, 293301, 351237, 400707, 557847, 1053711, 1673541, 3161133, 9483399, 28450197]

約数ペア:

[(1, 28450197), (3, 9483399), (9, 3161133), (17, 1673541), (27, 1053711), (51, 557847), (71, 400707), (81, 351237), (97, 293301), (153, 185949), (213, 133569), (243, 117079), (291, 97767), (459, 61983), (639, 44523), (873, 32589), (1207, 23571), (1377, 20661), (1649, 17253), (1917, 14841), (2619, 10863), (3621, 7857), (4131, 6887), (4947, 5751)]