28251747

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:281

約数の個数: 40

約数和(自身を含む): 44396352

約数和(自身を除く): 16144605

約数列:

[1, 3, 9, 27, 41, 47, 81, 123, 141, 181, 369, 423, 543, 1107, 1269, 1629, 1927, 3321, 3807, 4887, 5781, 7421, 8507, 14661, 17343, 22263, 25521, 52029, 66789, 76563, 156087, 200367, 229689, 348787, 601101, 689067, 1046361, 3139083, 9417249, 28251747]

約数ペア:

[(1, 28251747), (3, 9417249), (9, 3139083), (27, 1046361), (41, 689067), (47, 601101), (81, 348787), (123, 229689), (141, 200367), (181, 156087), (369, 76563), (423, 66789), (543, 52029), (1107, 25521), (1269, 22263), (1629, 17343), (1927, 14661), (3321, 8507), (3807, 7421), (4887, 5781)]