28519533

素因数分解:

$3^4\times 7^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:479

約数の個数: 40

約数和(自身を含む): 49135680

約数和(自身を除く): 20616147

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 179, 189, 281, 537, 567, 843, 1253, 1611, 1967, 2529, 3759, 4833, 5901, 7587, 11277, 14499, 17703, 22761, 33831, 50299, 53109, 101493, 150897, 159327, 352093, 452691, 1056279, 1358073, 3168837, 4074219, 9506511, 28519533]

約数ペア:

[(1, 28519533), (3, 9506511), (7, 4074219), (9, 3168837), (21, 1358073), (27, 1056279), (63, 452691), (81, 352093), (179, 159327), (189, 150897), (281, 101493), (537, 53109), (567, 50299), (843, 33831), (1253, 22761), (1611, 17703), (1967, 14499), (2529, 11277), (3759, 7587), (4833, 5901)]