28291599

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1277

約数の個数: 40

約数和(自身を含む): 49519008

約数和(自身を除く): 21227409

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 189, 287, 369, 567, 861, 1107, 1217, 2583, 3321, 3651, 7749, 8519, 10953, 23247, 25557, 32859, 49897, 76671, 98577, 149691, 230013, 349279, 449073, 690039, 1047837, 1347219, 3143511, 4041657, 9430533, 28291599]

約数ペア:

[(1, 28291599), (3, 9430533), (7, 4041657), (9, 3143511), (21, 1347219), (27, 1047837), (41, 690039), (63, 449073), (81, 349279), (123, 230013), (189, 149691), (287, 98577), (369, 76671), (567, 49897), (861, 32859), (1107, 25557), (1217, 23247), (2583, 10953), (3321, 8519), (3651, 7749)]